ship from Japan Approximately 25% lighter than the ultra-lightweight Hydro Flask (R) bottle of the same size (24oz, 32oz) -The double insulation wall has a tapered structure. The top is ultra-thin to reduce weight, and the specifications are thicker to increase durability toward the bottom. -A punching strap and aluminum pivot are used for the heat insulating cap with a lightweight honeycomb structure. Succeeded in further weight reduction in addition to preventing water leakage size: 7centimeters25.5centimeters7centimeters Material: 18/8 Stainless Steel [Printed Steel Sheet] Department name: Unisex adults Release year / model year: 2020