3 Sections design: The massage bed is designed in 3 sections for more usage requirement. The angle of bed end lift cushion can be adjusted to meet your needs Wooden frame & waterproof cushion: The spa bed is supported by beech wood legs and composite board frames strongly. The max load bearing is 551lb. The bed mattress is made of spongy cushion covered by PVC leather, waterproof and oil proof. It is also easy to clean. You can use a wet cloth to wipe the dust and dirt. Adjustable height & backrest: There are two twisting adjustment knobs on each leg for 8 different height. The height of the massage table can be adjusted from 25 inches to 34 inches. Also, the end section of the bed is liftable for ten different heights and the max height is 18 inches. Protective: Antislip foot pads add much stability and meanwhile protect your floor from scratches. High-strength Steel Cable Truss Comes with an extra storage bag to keep away the dust and avoid accident scratching. The Thickness of Sponge: 2 inches Unfold Size: 83.9 x 32.3 x 25.2-33.7 inches(L x W x H) Folding Size: 36.4x 23.6 x 7.3 inches(L x W x H) Headrest Size:11 x 10.4 x 2.8 inches(L x W x H) Armrest Size: 13.8 x 4.3 x 2 inches(L x W x H) G.W.: 38.1lb Max. Load Bearing: 551.2lb(static )/220lb(dynamic) Unlock the angle lock. Insert and adjust the headrest frame to the proper position. Press the screw on the other end of the headrest to prevent it from rotating (We recommend to fix it with a 6-angle wrench). Rotate the angle lock clockwise to tighten. Rotate the angle lock counterclockwise to loosen. Press down the angle to finish. Note: Please don't adjust it unduly or violently. Materials: Beech Wood Leg +Composite Board +Cushion (Plywood + Non-woven Fabrics + Sponge + PVC ) Foldable & portable: Due to the foldable design, the massage table is easy to carry around, especially for mobile therapists. The whole massage bed will become a portable case with clasps after folded. If you want it for home use, it also saves space when not in use.