From Baggu.

This best-selling reusable bag is not just for the grocery store, it goes everywhere and hauls (practically) anything. Carry in your hand or over your shoulder. Holds 2–3 plastic grocery bags worth of stuff. Folds into a flat 5 × 5 inch pouch.

• Recycled ripstop nylon
• 25 x 15 x 6 inches
• Holds up to 50lbs
• Machine washable