Coolvie Firm Twin Mattress in a Box, 12 Inch Twin Bed Mattress with Extra Lumbar & Shoulder Support, Hybrid Memory Foam & Pocket Spring for Pressure Relief, CertiPUR-US Certified, 100-Night Trial

Features

• Say Goodbye to Stuffy Heat-Coolvie hybrid twin mattress features gel-infused memory foam that actively absorbs body heat to create a cooling layer, combined with a bottom layer of 3D breathable coils that accelerate air circulation. This dual cooling system delivers long-lasting comfort, with tests showing the sleep surface temperature is 2-3°C lower than ordinary mattresses
• Sleep as Soundly as a Baby-The ergonomically zoned pocket springs feature 20% denser coils in the lumbar area, ensuring minimal sinkage (≤3cm) when turning over to relieve body pressure. With superior motion isolation, partner disturbances during nighttime movements are reduced by 70%—a blessing for light sleepers
• Enhanced Support for Carefree Sleep-Upgraded with built-in pocket springs and reinforced with high-density support foam along the sides, this hybrid mattress maintains its shape even with prolonged sitting. The enhanced stability not only improves safety but also extends the mattress's lifespan, ensuring lasting comfort
• Healthy Fabric for All-Day Comfort Made with premium, skin-friendly fabric that meets maternal & infant safety standards—free from fiberglass, formaldehyde (0%), and fluorescent agents. Its anti-static design provides a cloud-like, bare-skin sleeping experience
• CertiPUR-US Certified for Your Peace of Mind-Coolvie mattress twin size uses CertiPUR-US certified foam that contains no harmful substances, ensuring safety and durability while meeting all applicable mandatory and voluntary safety standards for mattress products
• Easy Setup, Install by Yourself in Minutes-Featuring a smart, sleep-ready design straight out of the box. Our vacuum-sealed rolling technology reduces shipping volume by 80%, making it light enough for anyone (even women) to handle effortlessly. Unbox and watch it automatically expand to full thickness within 72 hours (for best results, lay flat undisturbed for the first 24 hours)
• Professional Brand Service for a Worry-Free Purchase-Every twin mattress 12+ inchs undergoes rigorous quality testing and comes with a 10-year warranty plus a 100-night trial. Our customer service team is always available to address any inquiries