This rain forest scenic background is sized to wraparound 3 sides of our Carolina Custom Cages Terrarium, Tall Medium 24Lx18Wx24H. It measures 21.5”(H) x 57.75”(L). The background is printed on moisture resistant, UV resistant, PVC material. Just use clear adhesive tape to attach to the outside of your terrarium; both sides and back. This image is available for our terrariums 24Lx18Wx18H, 24Lx18Wx24H, 24Lx18Wx36H, 36Lx18Wx18H, 36Lx18Wx24H and 36Lx18Wx36H.