Neat and compact. Insulated nylon pouches with compartment for water bottle as well as a separate compartment for other items. The separate compartment includes an extra smaller zippered section at the back for smaller items. Water bottle compartment measures 17cm separate compartment measures 24cm high. Overall width (including both pouches) is approx. 23cm. Plastic water bottle holds approx. 750ml. Has adjustable handle that will fit over saddle horn or on saddle dees.