Bulletproof Bone - Kevlar Reinforced Dog Training Aid Ultra-tough fetch/tug toy Bonded inner layer is reinforced with Dupont&trade; Kevlar fiber Specially designed puncture-resistant materials Double edge binding with triple stitching This is a specially designed interactive toy built from materials trusted in body armor; we want you to be happy with your purchase, DO NOT BUY IF YOU INTEND IT TO BE A CHEW TOY