This is a 5in H, 2.5 W, and 3.5 D 3d printed slide box for small parts and has holes for tools such as screw drivers, drill bits, pens and pencils the hole are approx 10mm in diameter. The alien skull was designed by Hex3d and the slid box by Clockspring these were modified and merged together to development this excellent 3d printed box. Depending on the color the box will be printed in either PLA or PETG.