About Size You can select the size that suits you from our size chart above. If there is no size that suits you, we also can customize size for you, you just need to send us your measurements according to the measurement picture above. If you waist is smaller than 100cm, then there is no any extra cost, otherwise, you need to pay an extra cost of $40. About Color The default color is as in the picture. If you want to make it in other colors, we also can customize the color for you without any extra cost. You just need to send us your color requests after you placed your order.About Thickness The default thickness is 0.4mm, and the price you see is for 0.4mm.We also can make this item in 0.6mm,0.8mm and 1.0mm thickness.The extra cost for different thicknesses are as follows:0.6mm Add $500.8mm Add $1001.0mm Add $130