Name of Product Two use a quilt - pattern:Dark Blue with stripes Model DB-02B Material : Superfine Fibre 100 % Weight : 2400 grams +-0.5kg Single Size: 150cm x 210cm +-3cm Double Size: 180cm x 210cm +-3cm Queen Size: 180cm x 210cm +-3cm King Size: 180cm x 210cm +-3cm **PASS Free Formaldehyde Content Negative ion bedding are made from the fiber which called ï¿½??Superfine fiberï¿½??,making them nicely soft, ventilated, comfortable and durable. By our unique and professional technologies, make the ion mines,which are taken from the mountains of Canada,through the high temperature of 1200 degrees to filter impurities for purpose,then combined with fiber eventually. Providing full of negative ion energy which are guaranteed not only in 800 ions/c.c above but also effective period of 5 years at least. We adhere our bedding is made in Taiwan and in produced by a number of international certification. Let consumers buy at ease, use at ease.