The Miracle Nipple & Miracle Syringe Collection Miracle Nipple U.S. Patent No. 9,510,562. Made in the USA Important - please read! All Miracle Nipples come with 1 Oring Syringe, the large puppy pkg/2 will come with 2 syringes as the photo shows. When purchasing additional Miracle Nipple Mini & Original with syringes please be sure to order the Luer Lock style tip syringe for syringes larger than 3 ml. When using a 3 ml or smaller than you can use either the slip tip or the luer lock tip. These nipples will also fit a small pet nurser bottle. When purchasing the Large Miracle Nipples than you must use a luer lock tip syringe, these nipples will also fit any standard baby bottle cap for use with a bottle. The "Original Miracle Nipple" is designed for most small mammals to include kittens, toy breed puppies, squirrels, bunnies, neonate (newborn) raccoons and animals of such sizes. The "Miracle Nipple Mini" is designed for Neonate (meaning newborn) squirrels, bunnies, chipmunks, mice, persian type kittens, toy puppies with shorter faces and other small mammals The "Large Miracle Nipple" is designed for medium to large breed puppies, raccoons, large cat breeds (such as cougars) and animals of larger sizes.