Letter Pack Light, which can send packages up to 4kg, with a thickness limit of 3cm. Set of 5. - Type: Letter Pack Light - Size: 430mm - Weight Limit: Up to 4kg - Thickness Limit: Up to 3cm - Design: Foldable - Notes: Lithium batteries, high-pressure gas, and flammable materials are prohibited. Unused, but there are traces of sticker removal on the item name field; some stickiness remains. It will be folded for packaging, so there will be creases. Thank you for viewing.