Size & Quantity: Includes 100 Yellow poly mailers, each measuring 9 x 12 inches, ideal for packing and shipping. Durable Material Construction: Made with 2.4 mil polyethylene material that provides reliable protection for your items during shipping and handling Self-Seal Closure Design: Features convenient self-seal adhesive strip that securely closes packages without requiring additional tape or supplies Opaque Privacy Protection: Solid color opaque design ensures contents remain private and concealed during transit from warehouse to destination Versatile Shipping Solution: Suitable for mailing clothing, soft goods, accessories and other non-fragile items that require lightweight protective packaging Yellow 9x12 inch poly mailers with 2.4 mil polyethylene, self-seal closure and opaque design for clothing and soft goods.