Back polypropylene conference chair arm

Back polypropylene (hard plastic) The sponge used on the back is made of cast sponge. 45KG/m3 bulk sponge. After the conference arm was specially shaped from 18 mm MDF lam in CNC machine, it was made by chamfering the sharp corners with a milling machine. The sponge used in the sitting part is made of cast sponge. It is a 45KG/m3 bulk sponge. Seat part polypropylene (Hard plastic) FABRIC:100% polyester, 200 gr/m2 weight, 20000 abrasion resistance, sensitivity dry:4, wet:5..... ARTIFICIAL LEATHER: 400 gr/m2 weight, 18% polyester; 2% polyurethane, 80%pvc; pile abrasion:4; wet and dry fastness:4 plastic bellows Conference table carrier arm 16 x 1.5 mm oval profile pipe 16 x 3 wipe Feet 15 x 30 x 1.5 mm profile Interconnection of feet 16 x 1.5 mm round profile The profile used on the back is 15 x 30 1.5 mm oval plastic wedge