The Stanley® Adventure 16-oz. Packable Locking Mug has a locking lid. Double-wall insulation keeps beverages hot or cold for up to 1.5 hours. Folding loop extends for carrying or clipping to a pack. Made of BPA-free 18/8 stainless steel that won't rust. Dishwasher safe. Lifetime warranty. Weight: .83 lbs. Dimensions: 3.5"L x 3.3"W x 6.9"H. Color: Hammertone Green.