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. 

product origin: made in china