Lightweight and compact. Make it convenient for your outdoor activities such as camping, hiking, bicycling, fishing and so on. With a adjustable shoulder strap allows you to carry it on your shoulder or cross body easily. Large Capacity: 800ml/ 27 OZ. Simply pull the lid to drink and push it down to close. Exquisite Leak proof workmanship, keep water clean and fresh for a long time. Constructed by high quality 600D oxford fabric, waterproof, incredibly durable, resistible to tears and punctures.