--- product_id: 40086695 title: "Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size)" brand: "steamboy" price: "€ 300.37" currency: EUR in_stock: false url: https://www.desertcart.hr/products/40086695-steamboy-hsmt-700k-water-heated-mattress-topper-left-right-separation store_origin: HR region: Croatia --- # Low power consumption Water circulation tech Left/Right heat control Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size) **Brand:** steamboy **Price:** € 300.37 **Availability:** ❌ Out of Stock ## Summary > 💤 Sleep smarter, not hotter — the future of cozy is water-warmed. ## Quick Answers - **What is this?** Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size) by steamboy - **How much does it cost?** € 300.37 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/40086695-steamboy-hsmt-700k-water-heated-mattress-topper-left-right-separation) ## Best For - steamboy enthusiasts ## Why This Product - Trusted steamboy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Energy-Smart Design:** Cut heating bills by 10% with efficient water circulation and low power use. - • **King-Size Luxury Fit:** Generous 78.7 x 70.86 inch topper wraps your mattress in soothing warmth. - • **Safe, EMF-Free Warmth:** Water-based heating eliminates harmful electromagnetic waves for peace of mind. - • **Custom Dual-Zone Comfort:** Left/right separation lets you and your partner personalize your perfect temperature. - • **Therapeutic Sleep Upgrade:** Alleviates arthritis, muscle soreness, and sinus issues for deeper, restorative rest. ## Overview The Steamboy HSMT-700K King Size Water Heated Mattress Topper uses innovative water circulation technology to provide safe, EMF-free warmth with customizable left/right heating zones. Designed for energy efficiency, it reduces heating costs by 10% and offers therapeutic benefits including pain relief and allergy reduction, all wrapped in a luxurious king-size fit. ## Description Unlike other heated mattress toppers that use electric which emits electromagnetic waves that can be harmful to your body, the Steamboy’s heated mattress toppers use water circulation technology. Steamboy’s cutting edge technology heats the water and then circulates the warm water throughout the mattress topper to provide warmth and a good night’s rest. Many health benefits include arthritis and fibromyaglgia alleviation, back pain alleviation, muscle soreness and aches, better sleeping, tension release, allergies and dust mite reduction, sinus problems relief, post-polio syndrome aid, Raynaud's Phenomenon relief. ## Features - Unlike other heated mattress toppers that use electric which emits electromagnetic waves that can be harmful to your body, the Steamboy’s heated mattress toppers use water circulation technology. - It provides a safe and relaxing sleep as as heated water circulates throughout the topper while other heating pads such as electric heating pads have the risk of fire and emit dangerous electromagnetic waves. - Steamboy’s cutting edge technology heats the water and then circulates the warm water throughout the mattress topper to provide warmth and a good night’s rest. - Low power consumption design boasts high efficiency and low energy cost (You save 10% off your heating bill by lowering your thermostat 5 degrees lower) - Left/Right Separated Heating Option ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01N3MMJNO | | Brand | Steamboy | | Closure Type | Pull On | | Date First Available | November 11, 2016 | | Is Discontinued By Manufacturer | No | | Item Weight | 8 pounds | | Item model number | HSMT-700K | | Manufacturer | Steamboy | | Product Dimensions | 78.7 x 70.86 x 1 inches | | Size | King | | Special Feature | Heated | | UPC | 850795006097 | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** Steamboy - **Closure Type:** Pull On - **Size:** King - **Special Feature:** Heated - **Water Resistance Level:** Not Water Resistant ## Images ![Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size) - Image 1](https://m.media-amazon.com/images/I/41nBhpHMgNL.jpg) ![Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size) - Image 2](https://m.media-amazon.com/images/I/41rNC59-Y5L.jpg) ![Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size) - Image 3](https://m.media-amazon.com/images/I/51e5bifAwJL.jpg) ![Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size) - Image 4](https://m.media-amazon.com/images/I/51pouKXqCHL.jpg) ![Steamboy HSMT-700K Water Heated Mattress Topper, Left/Right Separation (King Size) - Image 5](https://m.media-amazon.com/images/I/51sbBdatFSL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/40086695-steamboy-hsmt-700k-water-heated-mattress-topper-left-right-separation](https://www.desertcart.hr/products/40086695-steamboy-hsmt-700k-water-heated-mattress-topper-left-right-separation) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-24*