Sizes WonderSleep Premium Adjustable Loft [Queen Size 2-Pack] $99.99 WonderSleep Premium Adjustable Loft [King Size 2-Pack] $99.99 Wondersleep’s pillow features shredded memory foam filling that provides therapeutic relief for all sleepers. Add and/or remove foam filling to find the perfect comfort level and enjoy a personalized sleep experience. SIMPLY A BETTER PILLOW