• With an adjustable strap and plastic clip, you can attach this to the D rings on your saddle. • Strap measures 35cm at longest adjustment, and 7cm on shortest adjustment. • Insulated Water Bottle Bag will hold large water bottles such as the Pump 1.25 litre water bottle. • The separate compartment can hold snacks or your mobile phone, and has a secure velcro flap to keep your belongings safe. • Measures 26cm high. • Pouch measures 23cm x 12cm.