Bison 21' Standard Aluminum Portable Outdoor Bleachers

These outdoor bleachers are built for a lifetime of dependable, trouble-free sports seating…Weatherbeater bleachers come with recycled plastic ground runners to keep support framework raised from grass or dirt

• Recycled runners will not rot like wood runners used by other manufacturers

• Available in 7½’, 15′ or 21′ lengths in either 3 or 4 tier heights

• 2 tier bleachers are only available in 15′ lengths

• Heavy-duty 2″ x 10″ anodized aluminum seat planks

• 100% aluminum welded support structures

• Planks have end caps for a finished look without sharp edges

• High-grade zinc plated hardware

• Five-year limited warranty on structure, two-year limited warranty on planks.