I can't say anything about that because it's just cardboard. I bought these because I really needed to put my old baseball cards in a better container than I used to. Actually I wanted to give 4 stars because of the price. Instead I give 5 stars because the product itself deserves it. In terms of card storage boxes, they are on par with any other box I've seen. They don't have any extra "features" like lines for writing content or whatever, so if that's what you're looking for, look elsewhere. Pros: - Holds a lot of cards - Fits great - Easy to assemble - Sturdy when assembled Cons: - Although the price has come down a bit, I bought a 10 pack for $22. I think that's a lot for cardboard. For about the same price, you can get a pack of 25 large moving boxes, which contains a lot more cardboard. Neckline or not, I still find it too expensive. They should be around $1/box or less, but no more than $2/box; Especially when buying in bulk. You can get very similar boxes at craft stores for a much better price. The box they were shipped in was HUGE. You moved around a lot in the crate and this damaged 2 storage crates. This isn't the manufacturer's fault, but you need to know about it.
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