【BPA-free & 18/8 Stainless Steel】Volhoply Vacuum insulation tumblers are made form food safe 18/8 (304) stainless steel,which is durable and lightweight. The lid and rubber ring design BPA-free,no toxic substancesthe. Lid is sealed with a thick gasket to provide splash proof capability 【Double Wall Insulation & Powder Coating】The cup features a double wall insulation design and an integrated molding process inside,which makes the insulation effect more durable. Powder coating process makes the surface of the cups brightly colored and delicate. Dishwasher safe,free your hands 【The Ideal Gift】We offer up to 12 colors and multi-pack combinations. The cup body is perfect for laser engraving and decorative decals,use your creativity to create your own personalized cup. As a surprise for your important people and harvest their happy smile 【Car Cup Holder Friendly】Tapered design with a 2.9-inch diameter cup base fits most automotive cup holders,so that your journey is no longer boring,enjoy a pleasant driving time 【100% Satisfaction】We take pride in the quality of our products and are responsible for our customers' buying experience. If there is any problem with the product you receive,please contact our customer service at the first time,we will surely give you a satisfactory solution 20oz Stainless Steel Insulated Tumbler