This resin vat is a genuine replacement product for the Uniformation GK3 Ultra 16K 3D printer. The vat is 15.9 x 12.5 x 2.1 inches and can hold up to 1kg of resin. It also slides easily into your 3D printer, saving you time. This product comes with an extra lid to protect your resin from dust, UV light, or direct sunlight.