PetStay Kit Unlike other products in the market, PetStay secures all four legs, so the dogs will not run away or fall down. PetStay is not only for convenience, but is for safety of that animal and human alike. PetStay Kit consists of 4 suction cups and 4 Velcro straps. The Velcro straps are snuggly wrapped around the dog's legs, and then hooked onto suction cups that are pressed down on smooth, nonporous surface.