Birchwood Casey Shooting Rest Weight Bags The Birchwood Casey Shooting Rest Weight Bag Pack with 5 bags; black & brown bag color; cordura bag material; hook ‘n’ loop closure; and 5.5” H X 10” W X 3” D dimensions. Made of a heavy duty, durable cordura material with hook ‘n’ loop closure, the Birchwood Casey Weight Bag is designed to withstand transport and rigorous use, and will hold up to seven (7) pounds of sand, twenty-five (25) pounds of lead, or other weighted media. The Birchwood Casey Shooting Rest Weight Bags are designed to work with most shooting rest models, and will also fit horizontally or vertically in the weight tray, allowing for an additional bag if necessary.