1. Solid wood frame: made of rubber wood solid wood, with delicate wood and high hardness, good strength performance and good seismic resistance. 2. Handrail: bent semi-armrest design, height 620mm, arc bend R55 at the front end of the armrest, arc R75 at the lower part, round R34 at the junction with the leg. 3. Sponge: Flame retardant, high-density, high-elastic sponge can effectively prevent bedsores. 4. Fabric: PU leather with wear-resistant, waterproof, antibacterial and mildew-proof, fireproof and flame-retardant, and medical disinfectant resistance. 5. Paint: Using "Dabao" brand paint, the finished product has a clear texture, a full surface and a bright luster.