Balanced warmth with lasting shape retention - Designed to deliver both warmth and breathability; the mat retains its form and resists deformation even after prolonged use. - Double-sided mat construction lets you flip between a warmer side and a more breathable side so the product is comfortable in hot or cold weather — suitable for year-round use. Built for comfort and structure - The main body of the nest is supported by high-quality, high-density sponge for stable support and long-term resilience. - A jumpsuit-style cover adds extra warmth and a neat, attractive appearance. High-performance filling and easy care - The filling uses spherical, hollow cotton balls formed with a special ball-shaping technique. Each cotton ball has a hollow interior and large air-permeable spaces, producing good elasticity and preventing clumping. - The mat is removable and washable for straightforward maintenance and hygienic care. Key attributes at a glance - Function: Provides seasonal comfort (double-sided) with supportive structure and elastic, breathable filling. - Material and performance: High-density sponge support; spherical hollow cotton filling with strong elasticity and anti-agglomeration; durable mat construction that resists deformation. - Maintenance: Removable mat that can be washed. Practical use scenarios - All-season home rest: Flip the mat to the warm side in cold months and the breathable side in summer to keep the nest comfortable year-round. - Easy cleaning: Remove the mat for machine or hand washing to maintain hygiene without damaging structure. - Stable support where needed: Use the nest in daily resting locations where long-lasting support and shape retention are important. What this product solves - Keeps the resting area warm when needed while avoiding overheating in warm weather. - Maintains consistent support and shape over time. - Prevents filling clumping and preserves breathability and elasticity through durable, hollow cotton-ball filling and straightforward cleaning. Materials and care notes - High-density sponge support; spherical hollow cotton filling; removable mat for washing. - Follow the included care instructions to preserve structure and appearance.