1,The inner tank of the outdoor water bottle is made of food grade kettle PE liner, so it is not suitable for filling with boiling water, it is recommended to fill with water below 70 degrees Celsius. 2,The water bottle bag is made of Oxford cloth, sturdy and convenient to use. 3,800ml capacity to meet your hydration needs during outdoor activities. Constructed by 600D oxford fabric, this outdoor water bottle is resistible to tears and punctures. With a adjustable shoulder strap allows you to carry it on your shoulder or cross body easily. Features: The inner tank of the outdoor water bottle is made of food grade kettle PE liner, so it is not suitable for filling with boiling water, it is recommended to fill with water below 70 degrees Celsius. The water bottle bag is made of Oxford cloth, sturdy and convenient to use. 800ml capacity to meet your hydration needs during outdoor activities. Equipped with a shoulder strap for easy carrying. A portable bottle with a bottle bag is suitable for backpacking, hiking, camping, climbing, traveling, running, gym, Cycle, outdoor activities, etc. Specifications: Material: Oxford cloth, PE Color: Camouflage Army Green/Khaki/Brown/ Green/Camouflage (optional) Capacity: 0. 8L Size: 28 x 14 x 4.5cm/ 11 x 5.5 x 1.8in Weight: 170g/ 6oz Package list: 1 x Water Bottle 1 x Water Bottle Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.