3IN1 Adjustable Down Alternative Comforter Delara white quilted duvet insert set is a classic bedding set for any season. Includes TWO premium duvets - A lighter, 150 GSM duvet for summer and a 350 GSM duvet for autumn months. Snap both together for a luxurious, 500 GSM bedding for the winter months. Both filled with hand selected, high quality, down alternative which replicates the feeling of a 100% down comforter. Details * All Year Round Customizable Concept: You Receive 1 Summer Spring 150 GSM Duvet and a 350 GSM All Season Down Alternative Duvet which can be snapped together to make a 500 GSM Winter Duvet or used separately. * 100% Organic Cotton Fabric Certified by Global Organic Textile Standard (GOTS) & the whole duvet insert meets STANDARD 100 by OEKO-TEX® certified. * 8 internal tabs for a secure fit. * Constructed with sewn-in chambers to keep fill-in place * Double-needle stitching on the seams increases durability, and grey handmade piping enhances the look. Dimension Product Size Down Alternative Duvet (W" x L") Twin 68 x 86 Queen 88 x 92 King 108 x 92 Care Hand Wash Cycle in a Front Load Machine Hang to dry. Tumble dry low. May also be hand washed or dry cleaned.