Easy care — machine washable: Designed to support rollerstyle machine washing for quick, hygienic cleaning and low maintenance. Bottom opening with breathable design: A ventilated bottom section relieves stuffiness and improves airflow where it's needed most, keeping you comfortable through the night. Modular splicing function: Built with a large splicing area so sleeping bags can be joined or separated quickly. Convert from one shared bed to two individual sleeping bags in seconds to match changing needs. Cloudlike comfort: Filled with plump down cotton that provides even warmth without feeling heavy. The filling stays fluffy and structured, offers breathable moisture resistance, and avoids the compressed or lumpy feel common in lesser products. Practical construction and performance: Breathable outer layers and structured filling work together to keep warmth in and moisture away, reducing overnight clamminess while maintaining a soft, pressure sleep surface. Use scenarios Home sleepovers and shared beds: Quickly split a joined setup into two separate sleeping bags for kids or guests, then rejoin when you need shared warmth or space. Travel and shortterm stays: Machinewashable materials and a compact, comfortable fill make this suitable for guest rooms, road trips, or shortterm rentals. Everyday home use: Breathable bottom opening is ideal for people who tend to overheat at night or need improved airflow while staying cozy. Key attributes at a glance Cleaning: Supports roller machine wash for easy hygiene. Design: Bottom opening for enhanced ventilation. Compatibility: Modular splicing lets one bed become two sleeping bags in seconds. Filling: Plump down cotton — warm, lightweight, breathable, and moisturerepellent. Comfort: Soft, cloudlike wrap that maintains loft without pressure. This product addresses common problems—difficult cleaning, overnight stuffiness, limited flexibility—and combines easy maintenance, breathable design, modular use, and comfortable downcotton fill to deliver a practical, comfortable sleeping solution.