100% after-sale guarantee, buy with confidence. This is a great gift for mothers day, birthdays, anniversaries of family, friends and Colleagues. ?Size & Easy Assemble?20 x 9.5 x 4 inch (L*W*H) Inner high:2.75 inch. It needs easy Assemble. ?Better Support?Stand can hold 80Ibs, there is a thick steel pipe stabilizing support structure on the back avoid shaking. TEAMIX monitor riser made of high quality MDF wood board, strong and sturdy. ?Ergonomic Design? Helps reduce eye, neck, and back strain related to computer work and provides you a healthier working environment. ?Great Basic Shelf? Multi-function Stand can be match Laptops less than 20 inch & Most of screens less than 50 inch, it provides storage area for keyboard notebook and anything when not in use. You can use it according to your creativity.