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Size #19 Rubber Bands: The Complete Guide

January 20, 2026 · BulkRubberBands Team

Size #19 rubber bands are among the most versatile and widely-used rubber band sizes in commercial and office environments. With their 3-1/2 inch flat length and 1/16 inch width, these bands provide the perfect balance of stretch capacity and holding strength for a variety of applications. Whether you're bundling mail, organizing small office items, or securing lightweight packages, size 19 rubber bands offer reliable performance for everyday business needs.

The popularity of #19 rubber bands stems from their optimal sizing for common office and commercial tasks. They're large enough to secure substantial bundles yet compact enough for detailed work, making them a staple in mailrooms, offices, retail environments, and specialized industries like cannabis packaging. As products manufactured exclusively by Alliance Rubber Company—America's last remaining rubber band manufacturer located in Hot Springs, Arkansas—these bands represent decades of engineering expertise and quality craftsmanship that businesses have come to depend on.

Understanding the specifications, applications, and proper use of size #19 rubber bands can help procurement managers and business owners make informed purchasing decisions that improve efficiency and reduce costs across their operations.

Size #19 Specifications

Specification Value
Size Number #19
Flat Length 3-1/2"
Width 1/16"
Bands per Pound (approx) 1350
Material Natural Rubber / Crepe
Color Natural Crepe

What Are Size #19 Rubber Bands Used For?

Size 19 rubber bands excel in numerous commercial and office applications thanks to their versatile dimensions. The 3-1/2 inch flat length provides excellent stretch capacity while maintaining strong recovery properties, making them ideal for both temporary and long-term bundling needs.

Mail and Document Management

Postal services, shipping companies, and office mailrooms rely heavily on #19 rubber bands for organizing correspondence and documents. The size is perfect for bundling standard letter-sized mail, organizing invoices by department, or securing rolled documents. The bands stretch comfortably around typical mail bundles without becoming overstretched, ensuring they maintain their elasticity and holding power throughout handling and transport.

Office Organization and Small Item Bundling

In office environments, size 19 rubber bands serve countless organizational purposes. They're commonly used to bundle pens and pencils, secure small boxes of supplies, organize cables and cords, and group together related paperwork. The 1/16 inch width provides sufficient grip without being overly bulky, making them ideal for detailed office work where precision matters.

Cannabis Industry Packaging

The cannabis industry has embraced size #19 rubber bands for securing pre-roll packages, bundling small product containers, and organizing inventory. The bands' reliable hold and food-safe natural rubber construction make them suitable for products destined for consumption. Their discrete size works well with the typically small packaging common in cannabis retail.

Retail and Inventory Management

Retail businesses use size 19 rubber bands extensively for inventory organization, price tag attachment, and small product bundling. The bands work particularly well for organizing small parts, grouping related items, and securing product samples. Their neutral natural crepe color makes them appropriate for customer-facing applications without being visually distracting.

Food Service and Restaurant Applications

Restaurants and food service operations utilize #19 rubber bands for organizing utensils, securing take-out containers, and bundling napkins or condiment packets. The natural rubber construction is food-safe, making these bands appropriate for food-adjacent applications where contamination concerns exist.

Size #19 vs Similar Sizes

Understanding how size #19 compares to related rubber band sizes helps ensure you select the optimal band for your specific applications. The most commonly compared sizes are #18, #32, and #33, each offering distinct advantages depending on your bundling needs.

Size Length Width Best For
#18 3" 1/16" Smaller bundles, precise applications
#19 3-1/2" 1/16" Mail, office, medium bundles
#32 3" 1/8" Heavy-duty small applications
#33 3-1/2" 1/8" Heavy-duty medium applications

Choose size #18 when you need slightly less stretch capacity for smaller bundles or more precise applications. Opt for size #32 or #33 when you require the same general length but need the additional strength provided by the wider 1/8 inch band. Size #19 strikes the ideal balance for most standard office and commercial applications where moderate stretch and reliable hold are priorities.

Buying Size #19 Rubber Bands in Bulk

When purchasing bulk rubber bands size 19, BulkRubberBands.com offers direct-from-manufacturer pricing that consistently beats competitors like ULINE. As the exclusive online distributor for Alliance Rubber Company products, we provide access to the same high-quality rubber bands used by major corporations and government agencies, but at wholesale prices accessible to businesses of all sizes.

Our size #19 rubber band collection includes multiple packaging options to meet different volume requirements and budget considerations:

Standard Natural Crepe Options

Colored and Specialty Options

All bulk packages are shipped directly from Alliance Rubber Company's Hot Springs, Arkansas facility, ensuring fresh product and consistent quality. With approximately 1350 bands per pound, a 25-pound case provides over 33,000 rubber bands - enough supply for most businesses to last months or even years depending on usage patterns.

Our competitive pricing structure means significant savings compared to retail office supply stores or general distributors. The low overhead of our direct-to-consumer model allows us to pass manufacturer-level pricing directly to end users, making bulk purchases economically attractive even for smaller businesses.

How to Store Rubber Bands

Proper storage is crucial for maintaining the quality and longevity of your size #19 rubber bands. Natural rubber is sensitive to environmental conditions, and following storage best practices will ensure your bulk rubber bands maintain their elasticity and strength throughout their useful life.

Temperature Control

Store rubber bands in areas where temperatures remain consistently below 80°F (27°C). High temperatures accelerate the aging process of natural rubber, causing bands to become brittle and lose elasticity prematurely. Avoid storage near heating systems, in vehicles, or in areas subject to direct sunlight or heat buildup.

Light Protection

Ultraviolet light from sunlight or fluorescent fixtures can degrade rubber over time. Store bulk rubber bands in their original packaging or in opaque containers away from direct light sources. If long-term storage is necessary, consider using UV-resistant storage containers or keeping bands in interior storage areas without windows.

Chemical Isolation

Keep rubber bands away from oils, solvents, and cleaning chemicals. Even small amounts of petroleum-based products can cause rubber to swell, weaken, or deteriorate. Store bands in clean, dry areas separate from maintenance supplies, automotive products, or industrial chemicals.

Expected Shelf Life

When stored properly, size #19 rubber bands maintain their quality for 2-3 years. However, rubber bands stored in ideal conditions—consistent cool temperatures, darkness, and clean environment—may remain usable for even longer periods. Inspect stored bands periodically for signs of cracking, brittleness, or surface deterioration.

FAQs About Size #19 Rubber Bands

How many size #19 rubber bands come in a pound?

Approximately 1350 size #19 rubber bands come in a pound. This count can vary slightly based on the specific rubber formulation and manufacturing tolerances, but 1350 per pound is the standard specification for planning bulk purchases.

What is the size #19 rubber band's flat length?

Size #19 rubber bands have a flat length of 3-1/2 inches when laid flat without stretching. This measurement is taken when the band is cut and laid out straight, which helps determine the maximum circumference the band can accommodate when stretched around objects.

Are size #19 rubber bands food safe?

Yes, Alliance Rubber Company's size #19 rubber bands made from natural rubber are considered food safe for indirect food contact applications. They are commonly used in food service environments and for bundling food packaging, though they should not be in direct contact with food products for extended periods.

What industries use size #19 rubber bands?

Size #19 rubber bands are widely used across multiple industries including postal and shipping services, office environments, retail businesses, cannabis packaging, food service operations, and manufacturing facilities. Their versatile size makes them suitable for both light-duty and medium-duty bundling applications.

Where are these rubber bands manufactured?

Shop These Sizes in Bulk

American made by Alliance Rubber Company. Free shipping on all orders.

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