D & K TechMount Permanent Bonding, Breathable Dry Mount Tissue for professional and hobbyist use Breathable design prevents bubbles and wrinkles, ensuring optimal adhesive performance Generous size of 40.5' x 150' provides ample material for multiple projects 1.5' core offers stability and ease of use during application Suitable for a wide range of applications, from photography to crafting Permanent bonding feature ensures long-lasting adhesion for your projects