1.88 in x 30 yd (48 mm x 27 m). Ready for life. Wrap. Mend. Seal. Quality Guarantee: If you are not 100% satisfied, return our product for a full refund. Check local building codes for hvac use. www.besimplydone.com. Scan for more information or call 1-888-423-0139. Made in the USA with US and global materials.