FITS FULL-SIZE CRIBS: Includes 2 short panels 18" x 27" (46 cm x 69 cm). Securely attaches to most crib rails. Use with long panel for additional coverage (sold separately). HELPS PROTECT TEETH AND SAVE CRIB RAILS: Covers top rails with breathable mesh to help restrict access. BREATHABLE MESH WITH POLYESTER TRIM: Constructed from a single layer of Classic Mesh with A.C.T. Air Channel Technology (3 mm thick). Made of 100% polyester. 1” (2.54 cm) polyester trim. SAFETY TESTED & TRUSTED: From BreathableBaby, experts in breathable mesh since 2002. Independently tested for safety. Contains no added chemicals, flame retardants or formaldehyde. EASY TO INSTALL: Smartly adjusts to fit. Installs easily with hook and loop closure, and adjustable straps to create a secure fit. We developed the Breathable Mesh Crib RailGuard Teething Cover to help protect teeth and save crib rails while providing the peace of mind that’s possible only with our patented breathable mesh. Our Short Panels fit most full-size cribs and install easily with hook and loop as well as adjustable straps to ensure a secure fit.