This polyurethane foam insert set fits 68 and 73-liter aluminum boxes and includes a base plate, six 50 mm thick layers, and a 25 mm dimpled lid cover. The 555 × 350 mm foam layers feature a 15 mm pre-scored grid, allowing exact tool-free cutting to match specific items. Delivered fully assembled, the 1.48 kg set provides immediate impact protection for transported goods.