Reclining Chair for Clip/Zero Gravity Chair Table/Tray Holder for 3# : Just install in installation, just attach to the pipe sections of chairs Sturdy material-it is made of hard, strong and durable plastic Perfect for , beach and other outdoor activities - Inner mesh panties Materials: plastic; BLACK Size 1#, size used: 380 x 240 mm (7 x 9.4 in); long slot: 255 x 30 x 55 mm (10 x 1.2 x 2.2 in); short socket: 100 x 31 x 55 mm (3.9 x 1.22 x 2.2 in); internal slot: 85 x 47 mm (3.3 x 1.85 inch) 2#, effective size: 322 x 188 mm (12,7 x 7,4 inches); rectangular socket: 60 x 24 x 35 mm (2,4 x 0,94 x 1,4 inches); internal socket: 75 x 30 mm (2,95 x 1,2 inches) 3#, artificial size: 310 x 162 mm (12,2 x 6,4 inches); rectangular socket: 60 x 24 x 35 mm (2,4 x 0,94 x 1,4 inches); internal socket: 80 x 30 mm (3,15 x 1,2 inches) 4#, artificial size: 300 x 166 mm (11,8 x 6,5 inches); rectangular socket: 60 x 24 x 35 mm (2,4 x 0,94 x 1,4 inches); internal socket: 75 x 40 mm (2,95 x 1,6 inches) contains: 1 . zero gravity chair