【Double Wall Vacuum Insulation】The insulated wine tumbler with lid adopts the technology of double walled vacuum insulation that keep beverages hot up to 3 hours or cold up to 9 hours and prevent sweating or condensation. So the vacuum wine tumbler will give you a better drinking experience in daily life all year round 【Food Grade Material】Our double wall vacuum wine glass made of unbreakable 18/8 of 304 lifelong Stainless Steel that are sturdy,rust proof and sweating proof.Also the tumbler cup with special surface treatment reduces fingerprint retention and comes in vibrant colors, a special treatment that minimizes fading and chipping .Our 12oz wine tumbler are easy to hold and clean 【BPA-Free Lid &Straw Friendly Design】The lid of stainless steel wine 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 stemless wine tumbler is suitable for home,office,picnics,parties.Unbreakable and safe for kids and adults. It is a cute, trendy and youthful colored small insulated wine cup that can meet your needs for hot or cold beverages: coffee,beer,champagne,cocktail, juice, milk, ice cream.This stainless steel wine cup is a perfect gift for Birthday, Christmas, Valentine’s, Mother’s or Father’s Day 【Package included】4*stemless wine tumbler+4*wine tumbler lid+4*stainless steel straw+4*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 ASIN B0BNN1FN9P Size 12 oz (4 Count) Color Silver Shape Round or Cylindrical or Conical Theme Wedding Pattern Solid Capacity 12 ounces Occasion Cocktail Party Brand Name FristChoice Unit Count 4.0 Count Item Weight 0.97 Kilograms Reusability Reusable Material Type Stainless Steel Product Style Modern Number of Items 4 Material Features Insulated Material Type Free BPA Free Included Components Lid Item Dimensions W x H 3.66 W x 5 H Manufacturer Part Number AB1013-2972 Product Care Instructions Dishwasher Safe Specific Uses For Product Cold Drinks Recommended Uses For Product Home Other Special Features of the Product keep cold and hot，stainless steel，double wall,12oz