These bags keep food cool for a few hours, and anyone can add an ice pack to keep it fresh for longer. They're well-insulated yet still lightweight. 100% neoprene Available in two sizes: 12" × 12'' (30.48cm × 30.48cm) and 14" × 14'' (35.56cm × 35.56cm) Black trim and zig-zag threading One sided print Insulating