Cashel Deluxe Cantle Bag Our saddle bags are designed to carry all the necessities. Grommet holes are tough and strategically placed for easy attachment to almost any saddle. Constructed from heavy-weight, water resistant nylon, our saddle bags are built to last and help you stay prepared and equipped to enjoy your ride. The main compartment is 15" L x 5" H x 4" deep at top and 3" deep at bottom of bag. The jacket liner is 13" H x 26" L. This bag is ideal for raincoats or lightweight jackets that can compress and some vest.