Command, 2 pack, slate color, display ledges, simple to hang, no tools required, hold strongly on a variety of surfaces, including paint, wood, tile & more, yet, they also come off cleanly leaving no holes or sticky residue, providing a great alternative to damaging screws & nails, reusing our white picture ledge is as easy as applying new refill strips, take them down, rearrange, & reuse again & again, pairs well with 21" picture ledge to create a gallery wall, contains 2 ledges & 8 medium strips.