Twin Size Serta Perfect Sleeper Quilted 400 Thread Count Mattress Pad with Staymade for Perfect Fit Serta Brand Staymade Soft Stretch Skirting ensures a proper fit Guaranteed to Fit Mattresses up to 18" Deep Filled with 90% Recycled Fiber to help protect the environment Twin Size 39 in x 75 in (99 cm x 191 cm) 400 Thread Count Egyptian Cotton