The only problem I have with little Sleepies is that I need them all. They are the softest, cutest and best quality bamboo we have and we have a TON! It may seem like you’re spending a ton of money but when you see how long they fit and how well they hold up it’s actually incredibly affordable. My little man is 6 months old and we haven’t sized out if our 0-3 zippies yet. The newborn size lasted forever too and have now been handed off to be loved by another baby and still have tons of life left!