Wool Mattress Topper Top Side - Merino Wool fleece pad Under side - 100% cotton pad - Quality elastic corner straps to fasten around the mattress - Merino Wool Underblankets are Woolmark certified. Reversible Padded 100% cotton base with 100% Merino wool fleece We recommend sleeping on the underblanket wool side up.It may be turned & used the cotton side up in the summer time.Sleeping in dry conditions offers relief from aches & pains such as Arthritis, Rheumatism & back ache. Quality elastic corner straps to fasten around the mattress Corner elastic straps, to prevent the sheets from getting out of place, & to hold the sheets tight & snug all night long Merino Wool Under blankets are Woolmark certified. The Woolmark Company promotes wool in the world by initiating research & development works. Quality standards for the products made of 100% wool & combinations with wool. Our core business is natural bedding that enable our customers to achieve a better night sleep. Healthy body-friendly product Wool is not only a raw material. It is recommended as a healthy body-friendly product in the today's world dominated by synthetic fibres the prophylactic & therapeutic properties of wool are discovered again. Camel Merino Wool Mattress Topper, Bed Sheet With Corner Straps , Reversible Cotton Side , All Seasons Double King Comforter