This rain forest scenic background is sized to wraparound 3 sides of a 20L glass terrarium. It measures 10.1875”(H) x 54.375”(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 20L, 48Lx18Wx18H and 48Lx18Wx24H.