What weight did you get? the 16s? They look well built. Its hard to tell with out touching them but Tuf Wear are a good make so I'd imagine you get what you paid for.

A word of warning about 16oz gloves, they are good and they put more weight on your hands which is a good thing in terms of conditioning... it takes a while to get used to the extra padding so it may affect your accuracy and range on the bags for a few days, you'll soon adapt, the only down size is that the extra padding tends to cause the gloves to wear out slightly faster than other gloves I have seen (in my experience any way... it may just be my right hand... the left is perfectly fine... the right looks like it has tumor