★ PREMIUM STEEL & BPA FREE: Food grade premium heavy gauge 18/8 stainless steel,no need to worry about wine tumbler shattering.BPA-free lid. ★ PRODUCT FEATURES: Wear resistant,rust resistant,portable,durable,reusable,shatterproof double walled insulated wine tumbler cup with lid.Perfect gifts for Thanksgiving Day,Christmas Day,Birthday etc. ★ KEEP HOT OR COLD: Double walled vacuum insulation design.Our stainless steel insulated wine tumbler can keep hot for 3 hours and keep cold for 9 hours. ★ OCCASIONS: Tumbler is suitable for indoor & outdoor places.Perfect for enjoying drinks at home,on the beach,by the lake,at the pool,in the office,at the party,camping,hiking,picnic,BBQ.