Player Bench without Backrest Benches are available as either in-ground fixed models or wide-base, freestanding portables…but these benches do not have a backrest. Features Bison player benches have 100% welded aluminum support structure 21′ length for fourteen player capacity, 15′ for ten players or 7½’ for five players Four 2″ square supports on 21′, three supports on 15′ and two supports on 7½’ 2″ x 10″ x .08″ minimum cross section anodized aluminum seats and backs Planks have end caps for a finished look without sharp edges Fixed models require a 30″ concrete footing to install in-ground for lasting, safe, weatherproof seating Portable models are constructed to provide a nearly tip-proof bench to transfer from football field to soccer, baseball or softball fields as seasons change Portable benches can be used with or without rubber feet provided, can be anchored to ground or can be bolted down to courtside surfaces Upgrade to color powder coated planks (see BLO4SEAT1 for details) Five-year limited warranty on structure, two-year limited warranty on all seats and backs Product Details Length 7 1/2', 15', 21' Style Fixed, Portable Instruction Manual Specifications Sheet 7 1/2' - Fixed Specifications Sheet 7 1/2' - Portable Specifications Sheet 15' - Fixed Specifications Sheet 15' - Portable Specifications Sheet 21' - Fixed Specifications Sheet 21' - Portable