Heartcosy 2-in-1 Silk Protein Fiber Comforter Set – Zippered Layers, Cotton Shell, All-SeasonLayer up or lighten up built for every season. This 2 in 1 comforter set gives you two separately usable layers that zip together for customizable warmth: Light layer alone ideal for spring and summer Medium layer alone comfortable for mild fall nights Both layers zipped together warm enough for winter No seasonal swapping. One set handles it all. What's inside Fill: Silk Protein Fiber a soft, breathable fiber derived from natural silkworm sources,