The under the sea whimsy photo op crib sheet is 100% cotton - pastel pink, blue, and green whales decorate the sheet on all 5 sides. The saying "live in the sunshine, swim in the sea" Adds playfulness to this adorable sheet while providing a comfortable place to sleep. This wonderful 52" X 28" Photo op sheet will fit most standard size crib mattresses - generous 8" Pockets will ensure a snug fit around the mattress. This beautiful sheet will be the perfect backdrop for memorable baby pictures - whales will frame your baby in the crib setting The scene for picture-perfect photos!