Introducing Pear Blossom Press's World's Best Foam Tape, now with an acid-free formulation! Crafted to elevate your projects, this double-thick (3mm) foam tape offers exceptional height, perfect for concealing battery units beneath your lights. With dimensions of 12mm wide x 3mm thick x 12.5m long (approximately 0.5 inch wide x .12 inches tall x 41 inches long), this roll provides ample material for countless light-up cards. What sets it apart? Its repositionable nature for up to 30 minutes allows for precise adjustments before setting permanently within 24 hours. Plus, bid farewell to struggles with backing paper – its easy-release design ensures hassle-free application every time. Elevate your crafting with Pear Blossom Press's World's Best Foam Tape – a fusion of quality, convenience, and creativity.