This Triceratops Mouthy Dinosaur Cable Bite Chomper is an accessory to have if you want to save your charging cables. It protects your charging cable where it's most sensitive to extend the life of your cable for your phone, computer, or tablet. Protect your charging cable dino style! It has an opening at the bottom to fit the cable in. Made of silicone rubber. It's approximately .8"x.8"x1.6".