Prepare small items for shipping with these Coastwide Professional 10.25 x 13.5-inch white poly bubble mailers. Give shipments added protection with these bubble mailers. The white poly construction delivers a professional look, making these envelopes suited to a range of business uses. Bubble padding offers an added layer of cushion to shield contents from damage while in transit. Lightweight construction creates a cost-effective shipping solution. With peel-and-seal closures, these Coastwide Professional 10.25 x 13.5-inch white kraft bubble mailers offer quick, hassle-free setup. Usable inside dimensions: 9.5"W x 13.5"L. Outside dimensions could vary. Comes in white and made of polyethylene. Single-use self-sealing closure. #4. 100 per carton. Interior bubble lining keeps contents safe during transit. Sold as 100/Carton.