Personalized Slumber Party Squad Youth T-Shirt. Join the ultimate Slumber Party Squad with your Youth T-Shirt - White. Featuring iconic slumber party essentials like pillows, pajamas, and popcorn, it's perfect for cozy movie nights and fun sleepovers. Embrace the playful and colorful vibe that makes every slumber party unforgettable. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.