This Foldable Snapping Sunglasses is made of Silicone & TAC Glass, featured by UV400 protection. Could be folded in half and snap them on to your wrist, steering wheel, bike handle when not in use. Fashion among teenagers. Suitable to be given as gift. Silk Screen Logo available for more promotion when being used. Prices of quantity above 3000pcs are based on shipping via SEA. 5 3/4" L x 5 1/4" W x 1 7/8" H