Fits all Luer-lock and Slip-tip syringes up to 3mL Henry's Easy-Grip Nipples make nursing more natural for small, orphaned mammals including squirrels, kittens, puppies and rabbits. Featuring a wide kneading pad with ridges for little paws to grip, each nipple also has a convenient pre-made hole and simply slips onto the feeding syringe. Made from 100% food-grade silicone, Henry's Easy-Grip Nipples are odorless, sanitary, and more durable than latex. Wash with soap and hot water after each use. We recommend at least 2 Easy-Grip Nipples for each nursing baby. Henry's Easy-Grip Nipples fit all our Luer-lock syringes, and our 0.5 ml, 1 ml, and 3 ml Slip-tip syringes.