IKEA mint green floral design double-size cover set. - Product Name: NASSERKLOCKA - Design: Floral - Color: Mint Green - Size: Double Thank you for viewing. This is a NASSERKLOCKA double-size duvet cover and pillowcase set purchased at IKEA. I bought it as a spare, but I no longer need it due to moving, so I am selling it. It is a new, unused item, but it has been in someone's possession once, so please refrain from purchasing if you are sensitive to this. Thank you.