LDMR400 Size: Full Unparalleled Quality. Unparalleled Safety. Unparalleled Elegance. Moonlight Slumber products designed using advanced manufacturing technology to guarantee the cleanest and healthiest mattresses available in the marketplace. With the health benefits of a medical grade mattress, Moonlight Slumber is proud to offer satisfaction to even the most discerning of pnts. From our hallmark product, the Starlight line of mattresses to the Little Dreamer and Little Angel mattresses, we also offer binet, cradle, crib, and youth mattresses along with changing table pads and our uniquely engineered maternity and bed pillows. Mattresses from Moonlight Slumber simply the best mattresses available for crib, cradle, twin and more. All of our products made of the best combination of earth friendly products and health and safety . We take what is best for baby first, then find the right solutions for safety and health; eliminating excess chemicals and treatments and choosing earth-friendly materials where appropriate. All Moonlight Slumber Products free of Phosphorus, Arsenic and Antimony. : -Vinyl, polyethylene, PVC and phthalates free. -Fire retardant additive free and lead free. -Non-toxic waterproof, durable, medical grade nylon cover. -Dual sided mattress with firm and extra firm foam sides giving you the choice for your personal preference. -Squ and cornered edges, dropped edge sched seams, natural internal fire barrier. -Green Guard certified, ecofriendly, water based adhesive for indoor air quality. -Waterproof cover and hypoallergenic. -Easily cleaned with damp sponge. -CertiPUR-US Tested / Certified foam. -161 Count - 13.5 gauge, low profile steel innerspring. -5" Thick design pulls sheet taut and makes a crisp, beautiful bed. -Lifetime warranty against manufacturer defects. -Made in the USA.