10 5x8 Poly Bubble Padded Envelopes X-Wide Mailers Shipping Supply The product is a set of 10 5x8 poly bubble padded envelopes X-wide mailers, ideal for shipping supplies. These envelopes are made of polyethylene material in an off-white color. They are designed in an envelope shape and are perfect for use in packing and shipping items. The X-wide size provides extra space for larger or bulkier items, making them a convenient and reliable option for businesses and individuals looking to securely send packages. #000