The model TV-CHAIR is removable. 
The chair is stackable up to 4 pieces. 
Steel frame covered with injected flame-retardant polyurethane foam. 

Tables: 
Table top in MDF lacquered white, black and red. Under-top in white plastic. Legs in steel, aluminium lacquered M3073. 

Basement and legs are in metal, aluminium lacquered M3073. 
Feet bottoms in nylon. 

The chair is stackable up to 4 pieces.