Transform your Sleep Versatile & Lightweight: This duvet can be split into two separate duvets or used as one Hypoallergenic & Skin-Friendly: Gentle on sensitive skin and resistant to allergens Natural Fibres: Made with pure silk and cotton silk for a natural sleep environment Enjoy year-round luxury with our 13 Tog Silk-Filled Combination Duvet, designed to adapt to every season. This innovative duvet set consists of a 9 Tog and 4 Tog silk duvet, which can be used separately for milder months or combined for ultimate warmth during winter. Crafted with 100% Grade A long-fibre Mulberry silk floss, this duvet is lightweight, breathable, and incredibly soft for a truly restful sleep.