HERCULES Series Commercial Grade 770 lb. Capacity Ergonomic Stack Chair with Lumbar Support and Steel FrameWhether you're furnishing an event venue, reception, office space, training center, or want extra seating in your home this versatile, multi use, commercial grade stacking chair goes above and beyond to keep guests comfortable. The roomy wide frame, ergonomic contoured design, and built in lumbar support gives a comfortable seating experience. The armless silhouette allows these chairs to fully tuck under tables to free up floor space when not in use.