Transform your hard mattress into a luxurious place to sleep with the premium overfilled mattress topper by St. James home. Designed with a 1-inch gusset and 12-inch box stitch construction to secure the over-stuffed 100% hypoallergenic polyester fill in place and provide you with a lasting plush topper. The ultra-soft microfiber cover is perfect for sensitive sleepers and is machine washable for easy and convenient care. Features: Hypoallergenic Bedding Construction: Box Stitch Bed Size: Twin Fill Weight: 45 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: Luxury + Glam Certifications And Listings: Oeko-Tex Standard 100 Thickness: 1 - 1 1/2 Inch Comfort Level: Moderate Protection Level: Basic Mattress Securing: Skirt Mattress Pads & Toppers Type: Mattress Toppers Country of Origin: Imported