The Trader Joe's Boston Reusable Shopping Grocery Gift Tote Bag are medium-sized tote bags made of durable polypropylene material. With a capacity of 6 gallons, these multicolor bags feature dimensions of 7 inches in length, 16 inches in height, and 11.5 inches in width. These tote bags are perfect for carrying your shopping items while being environmentally friendly and practical for everyday use.