SUNNY SHOWER BF30 New Butterfly Bi-fold Clear Glass Shower Door Chrome, 30" W x 72" H Model size:28.5" - 30" W x 72" H; Door opening:19" Material:ANSI certified clear tempered glass; Aluminum hardware and guide rails Warranty:Hassle-free returns; Limited 5 (five) year manufacturer warranty Hardware Finish:Polished Chrome Finish; Structural positioning:Width can adjustment 28.5" - 30" through out-of-plumb (vertical) on each side. The door glides to fold to the inside Install:Professional installation required; Reversible for right or left door opening installation. Easy to Clean Rail Track