This features double-wall vacuum insulation that keeps drinks cold or hot with a Sweat-Free design. 30 oz Powder-Coated Tumbler, : Double-wall vacuum insulation keeps drinks cold or hot Sweat-Free design Durable, rust-proof BPA-Free Including the shatter-proof and dishwasher-safe lid SPECIFICATIONS Material Stainless Steel Manufacturer Part Number 84-482 Color Acid Fscha Model 84-482 Brand Ozark Trail Assembled Product Dimensions (L x W x H) 4.13 x 4.13 x 8.27 Inches