100% Polyester 100% Polyester DESIGN: Printed Constellations in the night sky are printed on this Navy blue sheet set for a fun look. Sheets are perfect for added pop of color and design to any room. Perfect for kids, teens and young adults of all ages! ULTRA SOFT AND COZY: Super soft Polyester. High quality material. The polyester material is super soft for extra comfort and for a perfect nights sleep all year round. LONG LASTING DURABLE CONSTRUCTION: Crafted From Durable Microfiber. The Easy-Care Microfiber Is Machine Washable. Just Pop It In On Gentle Cycle With Cold Water And Air Dry Or Tumble Dry On Low. The Bright Colors Will Last Through Multiple Washes! WHAT'S INCLUDED: 3 Piece Set includes Fitted Sheet, Flat Sheet, 1 Standard Pillow Case. Fits standard Twin Size Beds.