High enough quality to withstand constant abuse in a bag with other bulky items for some time. At least the leash is holding, the zipper isn't torn. no holes =) The overall size is large but not bulky. It might be a little big for a "just" coin purse if your item is loose change, but it works well for more coins and the like. The size also allows it to carry other items (like loose headphones or ibuprofen in a travel case) decently.
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