picture hanging strips, summerbrite waterproof heavy duty double sided strips | 60pcs 3.6in x 0.75in | decorate without damage picture hanger for wall art, led lights, home, office(large white) summerbrite <p>the double-sided, industrial-strength foam tape is thicker and stickier than standard adhesive tape and will make for a more permanent and reliable installation, particularly in exterior applications where extreme, waterproof sticking is needed.</p><p> </p><p>installation:</p><p> </p><p>1: clean the target surface.</p><p>2: peel and stick the hang strips </p><p>3: press for 15 seconds </p><p>4: maximum strength after 72 hours </p><p>5: gently pull vertically to peel off</p><p> </p><p>specifications:</p><p> </p><p>width: 3.6 in thickness: 1 mm length: 3inch per piece/total 45 inchs</p><p> </p><p>application guidelines</p><p> </p><p>recommended installation temperatures are between 50 ° f and 122°f (10°c and 50°c). let the mounted item sit for 72 hours for optimum results . initial tape application to surfaces at temperatures below 50 ° f (10 ° c ) including lime walls, bricks , oily & uneven surface are not recommended. </p>