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 1 kg 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.