LT (polypropylene) The mammal reproduces the natural shape of the mother's nipple. Helps to balance breastfeeding and bottle easier. Unique shaped vial for easier storage. The soft silicone nipple is natural, with a special damper to prevent tummy colic. The kit includes a slow flow nipple.LV (polypropylene). The knife imitates the natural shape of the mother's nipple. Helps to breastfeeding and bottle feeding more easily. EE (polypropylene). The lute mimics the shape and natural flexibility of the mother's nipple. Soft, silicone soap with a natural flavor, a special flap protects the stomach. Includes slow-paced soother. Manufacturer / Manufacturer / Manufacturer: Mayborn Baby and Child, Northumberland Business Park West, Cramlington, Northumberland, NE23 7RH, UK.