DIMENSIONS - Pack includes 30 sturdy brown cardboard sheets, A4-sized sheets measuring 30 x 20 x 0.3 cm, perfect for various packaging and crafting needs. MATERIAL QUALITY - Our a4 cardboard sheets are made from durable 3mm thick corrugated cardboard, which is a suitable craft packaging material and can be recycled and reused after use, such as making a cat bed for your cat. EASY TO USE - The large cardboard sheets can be easily cut, folded, glued, wrapped, molded, painted, decorated, torn open, so you can fully create your own crafts or make various sizes according to your packaging needs. PROTECTIVE PACKAGING - The corrugated cardboard provides excellent cushioning and durability, you can use these a4 cardboard as dividers in the shipping box, ensuring your items remain well-protected during transit or storage. VERSATILE USE - The corrugated packing cardboard is ideal for mailing protection, packaging inserts, arts and crafts projects, and general protective padding, whether you are looking for reliable packaging solutions or seeking a sturdy base, these cardboard sheets deliver consistent quality and versatility.