Benches are available as either in-ground fixed models or wide-base, freestanding portablesbut these benches do not have a backrest Bison player benches have 100% welded aluminum support structure 21 length for fourteen player capacity, 15 for ten players or 7' for five players Four 2" square supports on 21, three supports on 15 and two supports on 7' 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