100% Organic Cotton Organic Cotton Shell and Down Alternative Fill: Shell Made of GOTS Certified 100% Organic Cotton. Box Quilted with Plush 1350 gsm Snow Down Alternative fill. Overfilled for perfect support and softness. Baffle Box Construction ensures even fill. This combination of Organic Cotton and Down Alt fill creates optimal sleep temperature. Soft and Breathable: The king mattress pad has premium organic cotton fabric with extra fill Cooling Down Alternative fill, breathable and sweat-absorbent. Also the filling is extremely soft recycled down alternative polyester which is friendly to those sneezing with goose down and feather bedding. Comfortable & Noiseless: The shell is crafted from the purest non-toxic organic cotton that is safe for you and your family. The sateen weave fabric is smooth, noiseless, and free from any plastic feel or crinkling sound, ensuring you a comfortable and quiet night. Deep Pocket Fitted Sheet Style: Adopting the deep pocket design which will easily stretch up to 20 inches, Single-track Elastic Fabric, no matter how you move on the bed this pad will keep neat all night. No worry about a messy bed anymore. Easy Care: The mattress pads/covers are machine washable which can save you more time and energy. For year-round softness and to prevent pilling up, it's highly recommended to wash it in the gentle cycle with cold water, sun-dry, or tumble dry in low when needed. Let our cotton mattress pads keep providing you and your family with cozy sleeping