The back section, seat section, hydraulic cylinder, and table base are made of ABS synthetic resin, which protects them from knocking, scratching, rusting, and washing damages. The tabletop is 125cm long and 55cm wide. The back section is adjustable from 55° up to 15° down and the seat section is adjustable from horizontal to 15° up. The tabletop height can be adjusted from 70cm to 100cm and is controlled by hydraulic cylinder, electric pump and waterproofing foot switch. A well-designed paper roll holder is located in the back section. Please refer to the illustration of EG-882.