Mesh ✅【Recommednation】: This size 35.5W * 23.5H (Regular Extra tall) is for most bed types preferably for thick mattresses that are 12-13 inches and above, but could also work on less thick mattresses. ✅【Compatibility & Universal Fit for most bed types & sizes】: TotCraft Bed safety Rail Guard works with slatted beds, box springs or wooden base beds. Also suitable for Cribs, Queen beds, Double twins, king size beds, Single mattresses, Toddler beds, Tempurpedic beds, Bunk beds, full size beds, Twin beds, Double mattress, and Twin mattress. ✅ 【Life Time Warranty】: Don’t hesitate to invest in your little ones safety! Most cheap products last few weeks. We offer LifeTime warranty so buy with confidence! ✅►Safety First◄: The metal rods and mesh fabric are made of non toxic materials. ✅【Easy installation &Machine washable】: Very easy installation as illustrated in the instructional video and the manual. Also the mesh fabric is machine washable. ✅ Click on “visit the TotCraft store” under the title to watch more testimonials. ✅ 【 MONEY BACK GUARANTEED 】: If not satisfied for any reason, we offer a money back guarantee, no questions asked. Toddler be