Material - eco-friendly silicone, completely waterproof and comfortably stretch. | Size - 202x12mm, Elastic Silicone rubber wristbands suitable for adult even the teens. | Package including: 12Pcs black silicone wristbands rubber bracelets. | Occasions: perfect for team building, team work arrangement and promotional campaigns. | Gifts for your cats and pets, with durable material, they can't chew