Description: material non-toxic and durable. Before installing wipe clean the glass surface and then press tight sucker. Silicone sucker strong suction not easy to falling. There are holes on the platform horizontal interlaced prevent slippery can be flexible free climbing. Intermittent opening design to induce turtle climbing ability exercise limbs physical fitness. Great basking dock for turtle salamander frog reptile etc. Specification: Materials: Plastic Sucker Diameter: 6cm/ 2.36inch L Size: Approx.19.5x15x11cm/ 7.67x5.90x4.33inch S Size: Approx.15x10.5x8.5cm/ 5.90x4.13x3.34inch Package Includes: 1Piece Reptile Turtle Pier