3M EVA Double SidedTape Heavy Duty Specifications: Package Quantity:60pcs. (20 pieces ofsquare, 20 pieces of rectangle, 20 pieces of round.) Color : White Round double-sidedfoam pads are diameter 25mm, thickness: 2 mm. Square double-sidedfoam pads are 4 x 4 cm (L x W), thickness: 2 mm. Rectangulardouble-sided foam pads are 5 x3 cm (L x W), Thickness: 2 mm. These foam tape canwide apply to fix many kinds of material with flat hard surface such as wood,metals, glass, papers, paints, and so on. holding soundproof pads, car phoneholders, picture, LED lights in place perfectly. But because of their own foam materials,they may not be suitable for sticking to egg foam sound insulation boards. 3M EVA Double SidedTape Heavy Duty HIGH PERFORMANCE: 1. Waterproof. 2. Excellentdurability. 3. Connectdifferent materials. 4. Simultaneousfixation and sealing. 5. Suitable for thehigh-temperature differential environment. Strong WaterproofFoam Tape Quick Application Tips: Clean the desiredsurface. Peel off the tapebacking. Firmly press andhold the tape for secure mounting of your items. Refrain fromtouching the adhesive to avoid contamination. Apply tapevertically on the back of the object for even weight distribution. Remove the linerand ensure object alignment with the preferred surface. Make a firm press to create a strong, permanent bond.