Provide the refreshing air circulation of a screen cover with the added feeding convenience of a hinged access door. Reptiles are kept safe under the protection of tough escape-proof mesh that resists scratches, bites and corrosion. Both the mesh and the steel frame are designed to withstand the high temperatures from heat lamps. Screen cover includes a locking hinged feeding door for easy access The steel black mesh stands up long-term to high temperatures The metal mesh also provides open air flow to the reptile Durable frame keeps its shape after years of use Available Sizes: 20" x 10" : Fits Tank Size 10, 20X (Dimensions: 20.5" x 11" x .75") 24" x 12" : Fits Tank Size: 15, 20H, 30X (Dimensions: 24.5" x 13" x .75") 30" x 12" : Fits Tank Size: 20L, 29, 37 (Dimensions: 30.5" x 13" x .75")