Lunya Washable Silk Tulip Back Set. Deep Blue Color. NEW with tags and in original package. Made with a flattering tulip racer back design and matching mid-rise bottoms with tulip hemming, you’ll feel extra flowy and breezy (aka, it’s made to move with every sleep position). Constructed of 100% Mulberry Washable Silk with naturally thermoregulating properties, you’re channeling that “not too hot, not to cold” kinda perfection.