Fill up the empty spaces in shipping boxes with these Coastwide Professional 12-inch x 250-foot bubble rolls. Send out customer orders securely with these bubble rolls. The bundle of four provides an ample supply for bulk mailings, while the 1/2-inch bubble height provides a safe layer of cushioning for delicate items. Perforated every 12 inches, these Coastwide Professional 12-inch x 250-foot bubble rolls tear easily for tailor-made lengths, and the heavyweight 2.9-mil-thick construction ensures lasting quality. 1/2" bubble size. Dimensions: 12" x 250'. Standard-grade bubble roll. Perforated every 12" for customizable lengths and effortless tearing. Sold in a bundle of four rolls. Sold as 4/Bundle.