Because most of the big ammo companies have gone to plastic shot bags, finding those extra heavy-duty, canvas types we Ol Timers used to shoot off is almost impossible. Thats why our gang decided to bring them back in better form than ever! We kept things simple, like they used to be...just good-old-fashioned, rugged and dependable, 10oz. heavy-weight duck canvas bags that hold whatever fill medium you want to put inside. Whether you need a bunch for the guys at your local gun club or just a few for out on the prairie dog towns, they provide excellent stability, portability, and no-scratch support for the forend and buttstock when precise accuracy is absolutely critical. More robust than s Mfg: Brownells SPECS: 10 oz. heavy-weight duck canvas, natural canvas color w/brown silkscreen. 12 (30.5cm) long x 6 (15.2cm) wide. Fill media not included.