Lifetime Limited Manufacturer Warranty; Three (3) Year All Hardware Finishes Warranty. Premium 3/8 in. (10mm) certified tempered glass; DreamLine exclusive ClearMax water and stain resistant glass coating Inline panel attached to wall by anodized aluminum wall profile; Wall profile allows up to 1 in. adjustment for width or out-of-plumb (uneven walls) Professional installation recommended; Hardware Finish: Matte Black Lifetime Limited Manufacturer Warranty; Three (3) Year All Hardware Finishes Warranty.