Haotian Portable Lap Desk Table Notebook Laptop Tray, Pillow Tray, FBT22 (silver) Increases comfort and improves posture during laptop use Dimensions: (approx.) 34.5cm x 45cm x 4.50 cm;Weight: 2 kg Material: Surface: plastic, Cushion outer material: polyester , filling: polystyrene micro beads,Lap top cushion in ergonomic design. Helps to prevent laptops overheating.