Command large refill strips, blue, 4 strips. Command assorted water resistant refill strips make it easy to move and rehang your command bath products for cleaning, redecoration or reorganization. Like all command products, they stick to many surfaces, including glass, mirror, tile, fiberglass, wood and painted surfaces. Yet they also come off leaving no holes, marks, sticky residue or stains. Command assorted water resistant refill strips come in both medium and large sizes.