Padded Rolling Knee Creeper with 5 Swivel Castors Magnetic Equipped Tray Comfort High Quality】it is made of durable high impact ABS plastic 【Comfort】Soft foam pad cushions knees and makes you more comfortable when kneel for quite a while. 【Magnetic Round Equipped】Internally equipped with that allow you to put such small parts as metal bolts and screws as well as tools needed for work. 【High Mobility】5 pieces multi directional and smooth rolling swivel casters allow you move any direction and anywhere in a minute. 【Maximum Weight Capacity】250 lbs Specifications Material: ABS plastic Product size: 4.0 x 9.9 x 19.7 in / 10 x 25 x 50 cm Product weight: 4.0 lb / 1800 g Package Includes 1x rolling knee pad