Material:Rubber Feature:Approx 120pcs per 50gram, Stretchable And Sturdy. These Strong Elastic Bands is perfect for organizing and keeping items together around the House, Office Or Classroom Usage: Tie Money, Food, Hair, Package, Household, Office, Industrial, Agriculture, Hold Cords Of Electronics, Computer Cords, Keep Headphone Cables Tidy, Tying Fish Bags, Holding Close A Poster, Bundling Pencils And Other DIY Art Crafts, etc. Size: 5.5cm Dia x 2mm Wide