We are manufacture mobile back cover at india mumbai We are need for polycarbonate sheet so we are make. Tpu plus pc. Back cover. If u have any other choice. For pc sheet. Then please share ur idea with us. We are need. Multiple. Qty sheet. Not one time. And size 0.4 mm and 1 mm. Thickness Also need. Cutting machine solution. Because. When we are use laser co2 then yellow mark on sheet We are need transparent and colour sheet also. With uv and anti scratch and high transparency And u have any other idea for back cover then please share with us Enbee mobile mumbai Whatsup ****Enbee475**** I waiting for reply. We are need ASAP