From the manufacturer

These are heavy-duty stuff sacks for organizing gear inside your haul bag; they also make great all-purpose tote bags. The outer body of the sacks is made with durable 600d polyester. These stuff sacks are made with dual webbing clip-in points/handles that are bar-tacked for strength.

Specifications

• Small: 738 cu. in. (12 L) - 13" tall x 8.5" dia. (356 mm x 203 mm)
• Medium: 954 cu. in. (15 L) - 15" tall x 9" dia. (406 mm x 228 mm)
• Large: 1616 cu. in. (26 L) - 17" tall x 11" dia. (483 mm x 279 mm)
• Color: Small - Gray, Medium - Rust, Large - Black