Internal Dimensions: 10" x 10" x 10" Everything you need to ship your products! This is a 4GV/X10.3 Rated 4GV Shipper Kit. Per Unit System includes: A) 1 qty UN Rated 4GV/X16 - Outer Double Wall Box - 10" x 10" x 10" - Internal Dimensions B) 1 qty Vermiculite Included C) 2 qty Small 3.00 Mil. Poly Bag with Zip Ties D) Marked Orientation on two sides of the box Please, always ensure youre following all instructions and regulations while packing and shipping goods. Please note, all dimensions shown for all boxes are internal dimensions. These boxes may be shipped flat to reduce shipping costs. If you have any questions regarding our products or If you do not see the products you need, please contact us. Please, always ensure youre following all instructions and regulations while packing and shipping goods. Please note, all dimensions shown for all boxes are internal dimensions. These boxes may be shipped flat to reduce shipping costs. Packing Groups I, II, III (X, Y, Z).