Black Polyester Padded Self-Seal Bubble Mailers - Waterproof Shipping Envelopes for Small Business

These waterproof, self-seal bubble mailers are crafted from durable black polyester, designed to provide optimal protection for your shipments. Ideal for small businesses, these padded envelopes feature a secure seal to ensure that contents remain intact and safe from moisture during transit. The lightweight design helps save on shipping costs without compromising on quality and durability, making them a reliable choice for sending a variety of products. Ratio of Pure Material to Recycled Material: 100% new material Plastic Type: Coextruded film+PE Shape: Rectangle Specification: 23.6x28.1+4CM, 17.2x23+4CM, 12.2x17.2+4CM, 27.4x33+4CM, 28.7x38.1+4CM Structural Thickness: 5 Manufacture country: China Instructions included: No