Made of natural rubber, Pawz are 100% biodegradable. Pawz are designed to go on easily and fit securely without zippers or straps. Pawz are great for ice, Lawn Chemicals, Salt, Liquid Chloride, Snow, Fire Ants, Pool Liner Tears, Mud, Clay, Pad Rashes, Post-Surgical Infection, Post-Grooming Dirt, Hot Pavement, and solves traction control problems. Pawz is the most natural-feeling boot your dog can wear because without padding your dog feels the ground, providing a needed sense of security. The package comes with 12 boots.