Turn any cup into a straw cup! Stretch it over a glass jar, plastic cup, stainless steel tumbler. Makes an airtight, leak-proof seal! Plus, they are super easy to clean.
sizing
Includes 2 universal straw tops and 2 straw2.
materials
Made from 100% European-grade silicone. BPA, BPS, phthalate, PVC, and lead free.
care
Dishwasher safe; safe to boil/sterilize! Easily wash with warm, soapy water as well.
