Feature: 1. BLOCKS 90% OF LIGHT: Portable crib blackout cover allows your baby to experience uninterrupted naps and restful sleep. It blocks out 90% of light, ensuring a soothing and tranquil environment for your baby even during the day. 2. BREATHABLE AND COMFORTABLE: Baby blackout cover is made of milk silk fabric for optimal breathability, allowing air to circulate while preventing overheating. Your baby will nap, play or sleep in a comfortable and safe space. 3. EASY TO USE: Breathable blackout crib cover is versatile and easy to use. Its 6 elastic straps tie to the crib, making it quick and easy to set up and take down, allowing you to spend more time with your little one. 4. PERFECT FIT: Infant blackout cover is specifically designed to fit perfectly over a backpack crib, ensuring a secure fit. Never worry about a loose or ill fitting crib cover compromising your baby's safety and comfort again. 5. QUICK WINDOW: Crib blackout cover has durable dual zippers that allow you to quickly peek in on your napping baby. Stay connected with your baby through the convenient quick window. You can easily probe to check on your baby without disturbing their sleep. Specification: Item Type: Baby Blackout Cover Material: 95% Polyester and 5% Polyurethane Fiber. Package List: 1 x Baby Blackout Cover Note: Please allow some error due to manual measurement.