We are Manufacturer of Stainless Steel Travel&Auto Mugs .Becky Technotex co is Export Division of WooJin Metals Industrial Co ,whose mug products are one of unbeatable choice in design and quality, and being exported to world market including WAL-MART and Thermos company in U.S.A.with a quite popularity. those are made with Double wall Stainless Steel construction. This mug is designed to be inserted in the AUTOMOBILE-CUP HOLDER.with a LEAK PROOF LID which always you to fill the cup with your drink(hot or cold) and still ensure that your drink will not be spilled all over the car floor when you taking a drive. 12OZ -18OZ   Double Stainless Steel & Inner shell plastic and Outer shell Stainless. If you are interested in our products, Please Don't hesitate and Let us know your e-mail address to send price and catalogue. thanks in advance.