Product Details It's never too early to start that dinosaur obsession. This sleep set is made from supersoft cotton for a supercomfortable fit, ensuring they'll be out like a light (so you can finally catch those forty winks you've been chasing). Even better? You can mix and match the set, so now a missing bottom isn't the end of the world. Yes, we thought of everything.

• Cotton.
• Long sleeves.
• Machine wash.