Sweet Jojo Designs Polka Dot Fitted Crib Sheet for the Skylar Collection. Skylar Fitted Crib Sheet will help complete the look of your Sweet Jojo Designs nursery. This pink and white polka dot cotton sheet fits all standard crib and toddler mattresses and is machine washable for easy care. Dimensions: 52 in. x 28 in. x 8 in. Warning: Loose bedding can present a hazard. Please follow safe bedding practices as recommended by the Consumer Product Safety Commission.