100% Cotton 66 centimeters wide ALTERNATIVE TO BLANKETS: Little Unicorn??s sleep bags are lightweight, breathable and feature artisan hand-painted prints. Our sleep bags are a safe and stylish alternative to blankets. These adorable sleep bags feature a top-to-bottom zipper that makes for easy nighttime diaper changes and is machine washable. Constructed for breathability, Little Unicorn cotton muslin sleep bags make naptime cozier for Baby ?C and for Mom, too. SIZES: Our Lightweight yet durable cotton muslin sleep bags are 66 centimeters wide and come in four convenient sizes: Small: 0-6 months; 10-18 lbs; 23-26 / Medium: 6-12 months; 16-24 lbs; 26-30 / Large: 12-18 months; 20-28 lbs; 28-32 / XLarge: 18-24 months; 27-30 lbs; 30-35 SOLIDS, PRINTS, PATTERNS: Available in an array of hues and tones, there??s something to go with every nursery decor. Mix and match hand-painted designs from playful to serene. Adorable and stylish go hand-in-hand at Little Unicorn. SOFT & COMFORTING: Our lightweight, natural fabric is made from 100% cotton muslin. They are machine washable and grow softer after every wash, with textures that comforts Baby. Constructed for breathability, Little Unicorn muslin Sleep Bag make naptime cozier for Baby ?C and for Mom, too. ABOUT US: Little Unicorn provides moms & dads with affordable, delightful options in everything meant for your bundle of joy. From bibs to washcloths to printable wallpaper, from travel changing pads to the cutest rompers. We test all our products to meet or exceed regulated safety standards.