Features: Since our foam pads are vacuum packed, the height of the foam pads may be compressed a little after receiving the goods. It is recommended to store it for about 1 day before use. If the received sponge cannot fully restore its height, you can put it in water. After absorbing water, the sponge expand back to its height and can be used after the water dries. You receive 6 pieces of polyurethane foam boards 40 x 30 x 3cm, appropriate size and enough quantity to meet your daily storage needs. Protect your valuables from damage. This foam pad set is made of high-quality polyurethane foam, which is elastic, soft and reliable, providing a strong cushioning effect and can adapt to different shapes of fragile objects or manual hardware tools. Our foam pad is completely cuttable, you can design it according to the size and shape you need, it can be used to store fragile and important items, allowing your items to be safely protected in the storage box. It can provide good shock