Universal Fit: 3 fitted sheets designed to fit rectangular, oval, and hourglass-shaped mattresses Sizing: Each sheet measures 32" x 16" x 5", compatible with Halo Bassinest Swivel Sleeper, SNOO, 4moms mamaroo, Fisher-Price, and Delta Children Baby-Safe: 100% cotton, soft and breathable jersey knit Color: Solid white Long-Lasting Quality: no pilling and color fading Practical and lasting solution to keep your newborn's bassinet always clean, fresh, and baby-safe