100% GOTS organic interlock cotton A gentle start for the sweetest dreams. Crafted from luxuriously soft and breathable cotton, this sheet is gentle on delicate newborn skin, promoting restful nights. Naturally stretchy and with deep fitted corners for a snug, secure fit, it stays in place through naps and night sleeps, ensuring a safe sleep environment. Breathable and temperature-regulating to keep your baby comfortable in every season, and durable enough to handle endless washes and everyday use. Pair with a cozy swaddle or sleep sack for a beautifully layered sleep space. Designed to fit a standard bassinet mattress.