This Lihit Lab Document Wallet has a gusset design which expands as you insert papers so you can store and organise large sheaves of loose papers and documents. Each wallet has a durable polypropylene construction which protects your papers from damage. Features: The wallets are suitable for documents up to A4 size. They have a durable polypropylene construction which protects your papers from damage from moisture, dirt and more. The wallet has a gusset that expands as you insert papers so it won't take up extra space before it's full. This wallet has a red design. There are a variety of colours available to help you colour code or brighten up your filing. The gusset expands by up to 30 mm as you add papers to your wallet. This document wallet can hold up to 160 sheets of paper at a time.