11 Oz. Travel Mug with Sip Lid Durable Stainless Outer Construction Thermal Mug with Lid. Double Wall body. Plastic Inner Liner, Lid, & Handle. Press Fit Lid, Sealable Rotating Sip Tab, & Silicone Gasket Seal. BPA Free Great for Camping, Back-packing, in your car, or on the go. Hand wash. (dishwasher temperatures & abrasiveness vary) Not for microwave, cooking, or freeezer use.