Corrugated paper1. Amount of Packaging: you will receive 8 pieces of trading card box storage and 10 sheets LABELS STICKER+8pcs Trading Card Dividers. QUALITY & STYLISH TRADING CARD BOX - The durable 200 lb. test strength box holds,The trading card storage box is manufactured with corrugated cardboard, which is lightweight but sturdy, and durable, keeping your collectible cards organized and protecting them from dust and damage.2. Appropriate Size for Using: the trading card storage is about 21.8 x 10.8x 8.1cm/ 8.58 x 4.25 x3.19 inches in interior dimension, each collection card storage case can hold about 500standard 20pt trading cards, about 800 collectible game cards3. Easy to Install: the card box holder for trading cards need to assemble by yourself, simple to install without tape, glue or other tools, with improved folding structure, allowing you to assemble easily, saving you time and energy4. WIDELY USE - This Pack of trading card storage boxes is ideal for storing and protecting collectible trading cards or sports cards like baseball cards, basketball cards, football cards, YuGiOh Cards, Magic The Gathering mtg, hockey, playing cards, and others.5. This card storage box is specifically designed to hold top loaders, Card trading has been popular among different walks of life for many years, and cards value is spiking at unprecedented levels. For display or professional play, we put your cards first by aiming to protect them with our card toploader with penny sleeves ultra pro. We stand behind the excellence of our brand & our promise is to provide you the best product around or your money back!