Velcro elastic band 16mm 20mm 25mm 30mm 38mm 50mm Color: Black quantities, since 2000 yards color set. Packing: 20 yards / plate, one yard = 0.914 meters. Features: This product is polyester yarn + rubber compiled with scalable, high elasticity and strong adhesion, durability and ease of use, high temperature dyeing, easy fade, can be used repeatedly. Purpose: Color elastic Velcro nice, suitable for a wide range of applications, such as clothing, luggage, toys, gloves, sports equipment, medical equipment and other products such as accessories (such pm3 wrist band, abdomen belt, tied with beams, etc.) green: Our products are based on "import and export of dyed textiles and leather products banned azo test methods" standards for testing. Azo and other 23 kinds of harmful substances. Compliance with European RoHS standards.