No More Spilling: Turn the standard water bottle into a spilling free straw cup. This set is equipped with 4pcs proof lids, which only allow the liquid to out when sipping. Don't let anything spilled during the trip happen again.
Lightweight And Durable: Can be placed in any bag or even pocket. When you can tie a large straw cup to a standard water bottle, don't feel pressured to carry it with you.
Description Of Selling Points 2: The baby bottle mouth adapter design can be applied to the water bottle mouth of children, toddlers and babies, which is convenient and practical, and can meet the needs in different scenarios.
Universal Design: Suitable for standard 28mm water bottles, which makes them immediately splashing proof. You can use a reusable straw and insert a straw into the top of the spout.
Safe For Everyone: Safe for infants and adults, helps teach babies how to sip from water bottles and help them learn to use larger cups. Durable enough to be bitten or used as a relaxing teething toy.