Pack includes 260 padded mailers in black Outside dimensions: 4×8 inch; usable inside dimensions: 4×7 inch Suitable for mailing small items such as jewelry, makeup, cards, phone cases, lip products, photos, and handmade items Made with padded cushioning to help protect contents during transit Designed to resist water, tearing, and punctures for added durability Opaque exterior helps keep enclosed items concealed, even under strong light Each mailer weighs approximately 0.2-0.4 oz for lightweight shipping Can be used without additional packing material for many small items Colored surface can be personalized with stamps or stickers