Alien Tape^™ is the amazing, double-sided waterproof tape that works great on wood, glass and more! It's perfect for hanging picture frames, shelves, decorations, etc. – no screws, anchors or adhesives needed! The Advanced-Grip Technology works effectively and it's waterproof so it can be used indoors or outside. Holds up to 17 1/2 lbs. Acrylic. Includes 3 rolls, each roll is 10-ft. long x 1 1/4"W.