Read more NWGW Aluminum Foil Base Anti-Slip stair treads Color: Yellow The Anti-skid Tape may fail to hold if: The surface of the object has oil, floor wax, grease, dust, loose substances, and the outdoor installation temperature is very low. Important! Water penetrates upward through the ground and boards. Floors and boards that easily absorb moisture must be coated with a anti-moisture barrier to prevent water from penetrating upward. After the surface has cured, the Anti-skid-tape can then be applied.Please refer to the instruction manual for any of the above issues. Read more Aluminum foil Base Anti-Slip Tape 2 Inch x 30 Feet, black Aluminum foil Base Anti-Slip Tape 2 Inch x 30 Feet, yellow Aluminum Foil Base Anti-Slip Tape 4Inch x 30 Feet, yellow Aluminum Foil Base Anti-Slip Tape 5.9 Inch x 30 Feet, yellow Aluminum Foil Base Anti-Slip Tape 2 Inch x 32.8 Feet, yellow and black Size 2 Inch x 30 Feet 2 Inch x 30 Feet 4 Inch x 30 Feet 5.9 Inch x 30 Feet 2 Inch x 32.8 Feet Color black yellow yellow yellow yellow and black Material aluminum foil base aluminum foil base aluminum foil base aluminum foil base aluminum foil base Quantity 1 roll 1 roll 1 roll 1 roll 1 roll