High-Quality Material: This water bottle holder is made of high-quality nylon, durable and flexible. The mesh design offers great stretch to help you place your bottle easily. Upgraded Design: The nylon mesh pocket features two compartments; the larger one is for your water bottle, and the smaller one can be used for your phone, coins, keys, tissues, pens, etc. Product Size: 20cm(H)*13cm(W) Adjustable Shoulder Strap: This water bottle holder is suitable for children and adults with an adjustable shoulder strap. Wide Range of Uses: This water bottle holder is a great tool for the beach, sporting events, schools, walks, camping, hiking, running, and jogging. Free up your hands with this convenient holder. Usage Tips: The water bottle holder is only suitable for water bottles less than 8cm/3 inches in diameter, and the small pocket is suitable for phones smaller than 6.5 inches/16.5 cm.