BESTLIFE 12" Acrylic Riser,Super ergonomic, Protection and correction of your cervical vertebra(L300mmXW200mmXH100mm,6mm thick) Smooth waterfall style computer stand Modern design that fits with any home decor Lightweight and durable construction Laser cut acrylic frame -Dimensions: L11.81"*W7.87"*H3.94Inches,1/4" Thick)