Raptor Shield was designed for your pet to be able to run and play, lightweight, cool & comfortable, not even knowing that they have it on. Safe around other pets' and children.(No Spikes) Raptor Shield is made from the same materials that they use for making Bullet Proof Glass. Talon Proof. We even had a coyote attack, our shield saved that little dogs life, the coyote could not bite through Raptor Shield. We spoke with many experts before making our design, and 98% of the time, Birds of Prey will attack the back of it's prey, try to carry, trap & injure with there talons....Being in business for over six years, we are very proud to say that not one of our customers small dogs have ever been injured or taken while wearing their Raptor Shields. Any predator in the wild is unpredictable, always keep a close eye on your pets, Raptor Shield gives your little one a fighting chance, and enough time for you to help. Now with a harness style support system for stability and comfort. Buy 2 or more and get $10 off.