--- product_id: 310983990 title: "SafeRest Premium CalKing 9\" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9\" - Split CalKing" brand: "saferest" price: "1592 zł" currency: PLN in_stock: true reviews_count: 5 category: "Safe Rest" url: https://www.desertcart.pl/products/310983990-saferest-premium-calking-9-thick-split-box-spring-encasement-waterproof store_origin: PL region: Poland --- # 100% Waterproof Barrier 360° Secure Micro-Zipper Breathable Polyester Fabric SafeRest Premium CalKing 9" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9" - Split CalKing **Brand:** saferest **Price:** 1592 zł **Availability:** ✅ In Stock ## Summary > 🔐 Lock in Clean Comfort, Unlock Worry-Free Sleep! ## Quick Answers - **What is this?** SafeRest Premium CalKing 9" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9" - Split CalKing by saferest - **How much does it cost?** 1592 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/310983990-saferest-premium-calking-9-thick-split-box-spring-encasement-waterproof) ## Best For - saferest enthusiasts ## Why This Product - Trusted saferest brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ultimate Liquid Defense:** Keep your box spring pristine with a fully waterproof, high-grade polyester shield. - • **Breathe Easy, Sleep Better:** Vinyl-free, breathable fabric ensures airflow without sacrificing protection or comfort. - • **Effortless Care & Durability:** Machine washable and tumble dry safe with a 10-year full replacement warranty for peace of mind. - • **Seamless 360° Zipper Security:** Exclusive micro-zipper with Velcro flap locks out accidental openings and dust mites alike. - • **Tailored for California King Split:** Precisely fits up to 9" thick split Cal King box springs for a sleek, no-slip fit. ## Overview SafeRest Premium CalKing 9" Thick Split Box Spring Encasement offers a durable, waterproof, and breathable polyester barrier that fully encases your box spring on all six sides. Featuring patented 360° Secure Micro-Zipper technology with a Velcro flap, it prevents accidental openings and protects against fluids, dust mites, and allergens. Vinyl-free and machine washable, this encasement fits up to 9" thick split California King box springs and comes backed by a 10-year full replacement warranty, combining premium protection with effortless maintenance. ## Description SafeRest Box Spring Encasements Protect Your Box Spring Against Fluids Through extensive research and development, SafeRest has created a better way to protect your box spring Full Protection For Your Box SpringRather than disposing of expensive unprotected mattress sets, SafeRest encasements seal and safeguard your box spring.Specifically Designed and Lab Tested SafeRest box spring encasements, with a soft polyester surface material and waterproof membrane back coating, were specifically designed and lab tested to protect your mattressSafeRest's Exclusive 360° Secure Micro Zipper SafeRest's patented 360° Secure feature offers the ultimate in protection eliminating the risk that the end zipper traveler will pull back exposing the box spring. This is realized by securing the end traveler with a fold-over Velcro flap covering it on all sides. Machine-wash with your sheets, tumble dry on low heat. Do not iron.SafeRest box spring encasements contain no vinyl, phthalates, flame retardants or PVCs. To demonstrate SafeRest's commitment to quality, each product is backed by a full replacement 10-year warranty Review: Perfect fit, Superb Quality, Excellent zipper system Review: Split Cal King box spring protector, washable, breathable, ## Features - Surrounds the box spring on all 6 sides with a durable high-grade polyester surface material - Exclusive Micro-Zipper technology. - 360 Secure zipper feature prevents accidental openings by sealing the end zipper traveler with a Velcro flap - Polyester - WATERPROOF - Don't worry about your box spring getting ruined. Our box spring encasement protects agains liquids ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004VMYD6U | | Age Range Description | Adult | | Brand | SafeRest | | Brand Name | SafeRest | | Closure Type | Zipper | | Closure type | Zipper | | Color | White | | Colour | White | | Customer Reviews | 4.4 out of 5 stars 272 Reviews | | Fabric Type | Polyester | | Manufacturer | SafeRest | | Material Type | Polyester | | Model Name | SYNCHKG026284 | | Other Special Features of the Product | Breathable, Water Proof | | Product Care Instructions | Machine Wash | | Size | California King | | Special features | Breathable, Water Proof | | UPC | 850012287070 | | Unit Count | 1.0 Count | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** SafeRest - **Colour:** White - **Fabric Type:** Polyester - **Size:** California King - **Special features:** Breathable, Water Proof ## Images ![SafeRest Premium CalKing 9" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9" - Split CalKing - Image 1](https://m.media-amazon.com/images/I/415+exR0nXL.jpg) ![SafeRest Premium CalKing 9" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9" - Split CalKing - Image 2](https://m.media-amazon.com/images/I/41dGhR8nA8L.jpg) ![SafeRest Premium CalKing 9" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9" - Split CalKing - Image 3](https://m.media-amazon.com/images/I/51+w5aBHdPL.jpg) ![SafeRest Premium CalKing 9" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9" - Split CalKing - Image 4](https://m.media-amazon.com/images/I/51MHCy9HKfL.jpg) ![SafeRest Premium CalKing 9" Thick Split Box Spring Encasement - Waterproof - Breathable, Noiseless and Vinyl Free - Fits Up to 9" - Split CalKing - Image 5](https://m.media-amazon.com/images/I/51oa+f76YXL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect fit, Superb Quality, Excellent zipper system *by J***K on 7 September 2012* ### ⭐⭐⭐⭐⭐ Split Cal King box spring protector, washable, breathable, *by G***A on 11 June 2019* ### ⭐⭐⭐⭐ A tip on where they can hide on this product! *by C***. on 30 September 2013* --- ## 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.pl/products/310983990-saferest-premium-calking-9-thick-split-box-spring-encasement-waterproof](https://www.desertcart.pl/products/310983990-saferest-premium-calking-9-thick-split-box-spring-encasement-waterproof) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-12*