Refresh-A-Baby water bottle adapter is a diaper bag necessity, great for travel and families on the goRefresh-A-Baby is the ONLY bottle adaptor nipple that fits ALL water bottles and also can be used for the on the go feeding through ready made formula bottles. Less hassle, less mess, less worry! Never get caught without a bottle again.Babies want to be just like their mom and dad, and now they can. Turn any water bottle into a baby bottle using the push fit design, creating a leak-resistant suction seal. Or use the screw cap to attach to ready-made formula containers. Just keep Refresh-A-Baby in your diaper bag and you'll be ready to go, much lighter and less bulky than carrying around baby bottles.Refresh-A-Baby was invented by Mom and former elementary school teacher, Gina Lipstein. We use only the very best materials and manufacturing, high quality silicone for the nipple and polypropylene for the collar, with absolutely no BPA, PVC or phthalates. Refresh-A-Baby is proudly made in the USA.