Pieridae Chill Slogan White and Gold Duvet Quilt Bedding Cover and Pillowcase Bedding Set. Chill Chill! All You Need Is to Chill! Featuring a modern printed design, this is one bedding set you will not want to remove. The Chill slogan duvet cover will compliment your bedroom and help you sleep easier! This is one bedding set you will not want to remove. Made from polycotton and the bedding set is machine washable at 40 degrees and suitable for tumble dryers.