This anti-startle multifunctional sleeping bag is designed to mimic the womb environment, providing comfort and reducing startle reflex for a peaceful sleep. The shoulder buckle design keeps your baby's shoulders warm, preventing cold drafts and ensuring they stay securely inside. Equipped with a temperature sensor, it monitors the internal temperature in real time without requiring power, making it safe and eco-friendly. The sleeping bag features two layers for spring and autumn and three layers for winter, ensuring warmth and comfort year-round. The upgraded bed-in-bed mode transforms into a small protective barrier to prevent rolling over or slipping. Changing diapers is effortless with the easy bottom-opening design, allowing quick changes without removing your baby, keeping them warm and cozy. Product Name: Infant Cartoon Printed Swaddle Quilt Season: All Seasons Sizes: · L: 96cm x 50cm (Recommended for 5-15 months) · S: 88cm x 46cm (Recommended for 0-9 months) Thickness Index: Slightly Thickc Elasticity Index: Slight Elasticity Softness Index: Soft Washing Suggestions: Machine Washable / Hand Wash Recommended / Neutral Detergent / Low-Temperature Ironing Product Category: Sleeping Bag Material: Pure Cotton (95% and above) Pattern: Animal Suitable Seasons: Spring, Winter, Autumn Safety Grade: Class A Applicable Age Range: Infants