Built-in support structure absorbs over 98% of the stress from goal contact without transferring it to the glass… Goal is mounted "off glass" so even excessive hanging and abuse will not cause stress • Never again be concerned about the risk of injury or inconvenience of glass breakage • We are so confident of our "XL" design durability that for over five years we have offered a $250 installation reimbursement in addition to our unconditional replacement warranty without a single request for reimbursement • Every "XL" unbreakable backboard features a polished aluminum extrusion framework  glass cushioning gasket  high strength steel support structure  ½" tempered glass with fire impregnated bright white border and shooters square and unconditional lifetime warranty • All Bison competition glass backboards are pre-drilled for quick installation of original DuraSkin backboard padding.  Make the transition… Go from old fan-shaped steel or glass backboards to popular 42" x 72" rectangular glass backboards normally without modification or relocation of your existing wall or ceiling support structures • The 35" wide x 20" high rear structure mounting pattern is the standard in the industry for most fan-shaped gym backboards and structures • Unconditional lifetime warranty.  Bison now guarantees this item will SHIP IN TWO DAYS or you’ll earn one dozen FREE nets! Some restrictions apply. Call for details!