300 lb. (136 kg) weight capacity Comes in seat sizes 16 x 16" (41 x 41 cm), 18 x 16" (46 x 41 cm), and 20 x 18" (51 x 46 cm) Comfortable nylon upholstery Height-adjustable, swing-back, desk-length arms Other features include: Hemi-height adjustable axles raise/lower seat 2" (5 cm) Heel loops included for maximum foot support (swing away footrest models only) Adjustable anti-tippers with flip-up wheels Options available: Detachable swing-away footrests or elevating legrests Limited lifetime warranty on frame; 1 year warranty on parts Optional accessories: O2 Holder (item MDS85181U), Anti-Fold Device (item MDS85196), IV Pole (MDS85183), O2/IV Combo (item MDS85190), 5-in-1 IV/O2/Anti-Theft combo (MDS85180), Tinnerman Legrest Locks (item WCA806991)