FEATURE 3D Printed PLA Heavy Gauge Plasticity Structure. Custom Sizes available, just contact us! No Screws Included. Suit For electronic projects, power supply units, student projects, amplifiers, etc. Push fit lid with cut out to remove lid easily. SPECIFICATION Material: PLA Dimension(outer):100mm x 60mm x 25mm(L*W*H) Inner: 96mm x 56mm(L*W) Dimension(outer):150mm x 70mm x 30mm(L*W*H) Inner: 145mm x 65mm(L*W) Dimension(outer):180mm x 80mm x 40mm(L*W*H) Inner: 174mm x 74mm(L*W) Other Sizes available and custom sizes can be supplied.