ThredUp is a great place to buy and sell quality kids clothes! Most of the time, you can see exactly what you are getting before you order. You'll get HUGE savings because they have been worn. They also have a very good feedback program, so you can see the seller's ratings and feel more confident in your purchase.
Anyway, check it out here!
Here's an official blurb if you're looking for even more info!
Swapping on thredUP is all about getting great new clothes (and toys!) for your kids while getting rid of stuff they no longer use. Pick up a box of gently used children's clothing or toys when you join today - it's Free to join and you can now earn cashback for your outgrown kids clothes, and gently used toys & books on thredUP.
Earn up to $10 for every great box you send to another mom. If you have clothing your children have outgrown, thredUp will send you free postage paid boxes and even arrange for them to be picked up - it couldn't be any easier!