Large mail needs large envelopes! Next time you have to ship a plus-sized item, use a 10 x 15" envelope. These monster envelopes are heavy duty. Pack them with magazines, books, large photos, artwork, and more. Constructed with high-quality, dependable paper and plastic, 10 x 15" envelopes will not tear. Use them over and over again. Available in white. Features an open end closure. Order 25 for just $10!