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.
Includes 3 universal straw tops and one bonus straw.
Made from 100% European-grade silicone. BPA, BPS, phthalate, PVC, and lead free.
Dishwasher safe; safe to boil/sterilize! Easily wash with warm, soapy water as well.
product origin: made in china