Soft Paws was designed to offer a humane and effective solution to cat and dog scratching problems. Each Soft Paws take home kit contains easy-to-follow instructions and everything required to apply the nail covers at home (except for the nail clippers). Just fill each nail cap with the adhesive provided and slide it on over the nail. It’s that easy! Most cats tolerate Soft Paws extremely well. The vast majority of cats don't even know they are wearing them. The adhesive is the same type used in many veterinary procedures. The caps and dried adhesive are non-toxic and completely safe. Soft Paws will not interfere with the normal extension and retraction of your cats nails. Your cat can still scratch with Soft Paws allowing normal stretching and scratching behavior to continue -- just no damage will occur. (Dogs’ nails do not retract.) 4 sizes available for cats, 7 sizes available for dogs.