Name of Product Bedding - Four groups of Double size - patter: Dark Blue with stripes Model DB-42B Material : Superfine Fibre 100 % Weight : 4.8 kg +-0.5kg Including: Pillow case *2 Size: 45cm x 75cm +-3cm Two use a quilt *1 Size: 180cm x 210cm +-3cm Bed package *1 Size: 150cm x 186cm +-3cm **PASS Free Formaldehyde Content Negative ion bedding are made from the fiber which called �??Superfine fiber�??,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.