Holds 5 cartridges. Constructed of brown full grain bridle leather. Will work on belts up to 1 1/2" wide. One size fits all of the following cartridges and more: Long: 30/06, .270, .280, family. Belted magnums, from .300-win mag and shorter including .257, .270, 7MM Weatherby. Short Cartridges: 243, 6.5 Creedmoor, 308, 708, 30/30, 45/70. Made in the USA. NOTE: This product is designed for the hunter to quickly remove the cartridge from the loops after the flap is opened. The lower flap remains in an upright position to keep the cartridges from falling through. They are "wet formed" to insure a rigid lower flap.