The sleep philosophy microfiber with Heiq smart temp treatment waterproof mattress pad provides comfort and protection for your bed. This down alternative mattress pad uses a temp regulating treatment to help maintain a balanced temperature by retaining body heat when you're cold or wicking away moisture to cool you off when you're hot. The waterproof fabric also provides another layer of protection to your bed. Machine washable for easy care, this waterproof mattress pad has a medium level of support with classic diamond quilting. The microfiber mattress pad is also Oeko-Tex certified, meaning it does not contain any harmful substances or chemicals to ensure quality comfort and wellness. Bedding comes in rolled or compressed packing that's easily shipped to your door and will need to be fluffed up. Simply unbox, unroll, and the mattress pad does the rest by expanding to its original shape within 72 hours. Fits up to 18" deep mattresses. Microfiber with Heiq smart temperature regulating treatment, retains body heat when you are chilly, cools you when you are hot Helps to maintain a balanced temperature day and night Waterproof for extra protection Oversized dimensions looks great even on extra-deep mattresses Moisture wicking Fits up to 18" mattresses Classic diamond quilting Machine washable Oeko-Tex certified, includes no harmful substances or chemicals  Features: Moisture Wicking, Deep Pocket, Waterproof, Washable, Temperature Regulating, Quilted Bed Size: Twin Fill Weight: 14 oz. of Fill Measurements: 75 Length/Inches, 39 Width/Inches Mattress Depth: Up To 18 In Deep Base Material: 100% Polyester Filling Content: 100% Polyester Care: Machine Wash Decor Styles: Casual Thickness: 1 - 1 1/2 Inch Comfort Level: Basic Protection Level: Moderate Mattress Pads & Toppers Type: Mattress Pads Country of Origin: Imported