Made of synthetic rubber. Very good resistance to ozone, UV, sunlight. Very good temperature resistance.

Standard size: 50*10*1.5mm, can also be customized: perimeter: 30-500mm，width：0.9-30mm（mechanical cut), thickness：0.9-3mm 
Ideal for packing, daily life and official bundling. 

Features:

1.NON-LATEX RUBBER: These heavy-duty rubber bands are great for use in latex-sensitive homes, offices or classrooms. Suitable for indoor and outdoor use, they are UV, ozone, weather and age resistant.
2.ACTIVE AND ARCHIVAL FILING: Excellent tool for both active and archival filing. Ideal for use in medical offices where files are both stored and regularly accessed, these non-latex elastics won't become brittle and break.
3.INDOOR AND OUTDOOR USE: Won't break down when exposed to the sun or rain and are food-safe for use in the kitchen.
4.ORGANIZE AND COLOR CODE: These non-latex rubber bands are an organizational tool with a wide variety of uses. Available in lime green and black and many other colors as you like, you can use them to organize your catalogs, files, magazines, print outs and coupons for a clutter-free home and office.
5.DURABLE AND REUSABLE: thick rubber bands are age and weather resistant, making them a durable choice when organizing in the home or office. Reusable many times over, they slip on and off easily and will not become brittle and break like regular rubber bands.

Various sizes and colors are available