*Plastic adhesive vials. Safe, medical grade, cyanoacrylate adhesive *Works on both Soft Claws and Soft Paws for Cats, Kittens and Dogs *Soft Claws Paws Nail Adhesive Glue Tube contains 2gm (.07 fl oz.) Soft Adhesive is designed for use with Soft Paws® nail caps, and is a non-toxic, cool-bonding, veterinary grade adhesive. This glue is the only type of adhesive we recommend to ensure the safety of your pet. Each Soft Paws® kit already contains an appropriate amount of Soft Adhesive, and so ordering this product would be in addition to what you would already receive in every kit.