Thrive Kids Trundle Comfort Foam mattress is thoughtfully designed to support children as they grow, offering a medium-firm, stable sleeping surface that helps promote healthy posture and spinal alignment. Its firm feel prevents sinking, making it especially suitable for kids, toddlers, and teenagers who need consistent support throughout the night. Ideal for use in trundle beds and bunk beds, this mattress features a low-profile, lightweight foam construction that fits securely and safely into raised bed frames. Made in the UK using over 20 years of mattress-making expertise, it meets strict BS7177 fire safety standards and is CertiPUR-US certified for low chemical emissions, giving parents complete peace of mind. The mattress core is made from high-density foam, created using shredded foam material to reduce waste while maintaining long-lasting durability and support. A removable, machine-washable quilted zip cover makes everyday hygiene simple- perfect for accidents, spills, or busy family life. Inside, the sanitised, hypoallergenic foam resists dust mites and allergens, helping to create a cleaner, healthier sleep for children with sensitivities or allergies. With a spring-free design, the mattress is completely silent and absorbs movement, ensuring undisturbed sleep whether its used for nightly rest or occasional sleepovers. Durable and practical, its an excellent choice for childrens bedrooms, guest trundles, and bunk beds alike. - Rest Relax Visco Therapy Thrive Kids 14cm Medium Comfort Foam Mattress for Kids in White - Size: Small Single