33859 block tray products are offered for sale by suppliers on Alibaba.com, of which serving trays accounts for 1%, smart pots & planters accounts for 1%, and brick making machinery accounts for 1%.
A wide variety of block tray options are available to you, You can also choose from plastic, ps and pet block tray,as well as from black, green, and clear block tray,And whether block tray is not coated, {2}, or {3}.