Dining chairs are stackable. Lounger is made from aluminum and polyresin. Lounger has wheels. Set includes 6 dining chars, 1 dining table and 4 loungers, 2 sofa chairs, 1 sofa, 1 coffee table. Product Weight: (Arm chair) 12 lbs; (Side chair) 10 lbs; (Table) 55 lbs; (Sofa) 27 lbs; (Chair) 15 lbs; (Coffee table) 13 lbs; (Lounger) 41 lbs.