【Food Grade Material】 FristChoice 20 oz Skinny tumblers with lids and straws are made of unbreakable 18/8 304 stainless steel, with BPA sliding cover,Leak-proof,splash-proof,rust-proof, sturdy, easy to use and clean. Reusable Metal Travel Tumblers can be used for a long time.

【Double Wall Vacuum Insulation】 Stainless steel tumblers adopts the technology of double walled vacuum insulation design keeps beverages hot up to 6 hours and cold up to 12 hours and prevent sweating or condensation.Keep cool outside! This insulated tumbler with straw provides a more enjoyable drinking experience.

【BPA-Free Sliding Lid &Straw Friendly Design】 The lid of stainless steel skinny tumbler is BPA-free and Eco-friendly lid with gasket sealed to provide maximum splash-proof capability and the non-toxic lid will not affect the quality of the drink.What’s more,its’ drink hole on the top for easier sipping.

【Occasions & Applications】 Our silm tumbler coffee cup is suitable for many occasions.Easy to carry and store , also it fits in most cupholders.You can enjoying drinks at home, beach,party,office,trip,hiking, picnic...Also this insulated coffee mug can meet your needs for hot or cold beverages: coffee,juice, milk,tea,champagne...Insulated coffee mug is a perfect gift for Birthday, Christmas, Valentine’s, Mother’s or Father’s Day

【Package included】 1*Stainless steel tumbler+1*sliding Lid+1*stainless steel straw+1*straw brush.We provide high quality after sale service.If you are not positively thrilled with our wine tumblers, please contact us and we will make every effort to solve your problem.