Insect Resistant Splinter-Free Fire Resistant, Water Resistant Low-Maintence, Easy To Clean Environmentally Friendly,Light We have some sizes for different usage. It can be used for the decking, fencing and so on. Also we can custom upon your requirements. The sizes are 63x43mm, 43x43mm, 43x30mm, 25x35mm, 9x29mm etc. foam plastic lumber