Regular Size - For most small mammals, including kittens, toy breed puppies, kittens, squirrels, bunnies, newborn raccoons, opposums and other small- to medium-sized mammals;Comes with a convenient pre-made hole;Fits slip-tip and luer-lock syringes, including our Miracle syringes and also fits small nurser bottles for kittens/puppies;Washable and reusable;Syringes not included!