TWINXL Talalay Latex Mattress Pad Topper, Densities (Firm 90K Density, 3" Thick) Pure Talalay Latex, Made in the USA. TwinXL Measures 38 x 80 Inches Hypo-Allergenic, Anti-Microbial, Dust Mite and Mildew Resistant Pin Core Drilled for Enhanced Air Flow & Comfort Available in 2" and 3" Thick Mattress Toppers Available Densities: Soft, Medium, Medium-Firm, and Firm