--- product_id: 1668672 title: "Polar Tech - RB 15 RB15 Re-Freez-R-Brix Foam Refrigerant Pack, 4-1/2\" Length x 4\" Width x 1-1/2\" Thick (Case of 6)" brand: "polar tech" price: "S$64" currency: SGD in_stock: true category: "Polar Tech" url: https://www.desertcart.sg/products/1668672-polar-tech-rb-15-rb15-re-freez-r-brix-foam store_origin: SG region: Singapore --- # Long-lasting chill retention 4.5" x 4" x 1.5" rigid foam block Reusable & eco-friendly design Polar Tech - RB 15 RB15 Re-Freez-R-Brix Foam Refrigerant Pack, 4-1/2" Length x 4" Width x 1-1/2" Thick (Case of 6) **Brand:** polar tech **Price:** S$64 **Availability:** βœ… In Stock ## Summary > 🧊 Stay cool, stay ahead β€” the ultimate chill companion for pros on the move! ## Quick Answers - **What is this?** Polar Tech - RB 15 RB15 Re-Freez-R-Brix Foam Refrigerant Pack, 4-1/2" Length x 4" Width x 1-1/2" Thick (Case of 6) by polar tech - **How much does it cost?** S$64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/1668672-polar-tech-rb-15-rb15-re-freez-r-brix-foam) ## Best For - polar tech enthusiasts ## Why This Product - Trusted polar tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Safe & sealed.:** Non-toxic refrigerant sealed in heavy-duty plastic for worry-free handling and transport. - β€’ **Chill that lasts.:** Keeps frozen products perfectly chilled for extended periodsβ€”no more thawed disappointments. - β€’ **Compact powerhouse.:** Perfectly sized 4.5" x 4" x 1.5" blocks fit seamlessly into your cooler or insulated bag. - β€’ **Freeze. Reuse. Repeat.:** Durable rigid foam maintains shape frozen or thawed for endless reuse. - β€’ **Dual-action temperature control.:** Prevents freezing or thawing by releasing heat when warmed inside insulated containers. ## Overview Polar Tech RB15 Re-Freez-R-Brix is a premium rigid foam refrigerant pack designed to keep perishables chilled or protected from freezing. Measuring 4.5" x 4" x 1.5", this reusable, non-toxic foam block maintains its shape whether frozen or thawed, offering long-lasting temperature control. Ideal for insulated containers, it releases heat when warmed to prevent freezing and keeps items cold for extended periods, making it a reliable, eco-friendly solution for professionals who demand consistent freshness on the go. ## Description Polar Tech Re-Freeze-R-Brix foam refrigerant pack. Re-Freeze-R-Brix is a block of rigid foam that holds its shape frozen or thawed and is reusable. The Refrigerator in a bag. These refrigerants are non-toxic, sealed in a heavy plastic pouch, and are rated the best in foam refrigerants. Prevent thawing, keeps frozen products chilled for an extended period of time. Protects against freezing, when packaged in properly insulated containers, warmed Re-Freeze-R-Brix release heat, keeping perishables from freezing. ## Features - Long lasting - Rigid foam - Reusable - Economical - Keeps frozen products chilled for an extended period of time ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B009W7YA30 | | Best Sellers Rank | #39,182 in Automotive ( See Top 100 in Automotive ) #29 in Refrigerants | | Brand Name | Polar Tech | | Color | White/Blue | | Customer Reviews | 4.7 4.7 out of 5 stars (1,341) | | Included Components | N//A | | Item Dimensions L x W | 4.5"L x 4"W | | Item Weight | 15 ounces | | Manufacturer | Polar Tech Industries, Inc | | Manufacturer Part Number | RB 15 | | Material Type | Foam | | Model Number | RB 15 | | Number of Items | 6 | | UPC | 604945297237 641927054204 | | Unit Count | 6 Count | ## Product Details - **Brand:** Polar Tech - **Color:** White/Blue - **Item Weight:** 15 ounces - **Material:** Foam - **Product Dimensions:** 4.5"L x 4"W ## Images ![Polar Tech - RB 15 RB15 Re-Freez-R-Brix Foam Refrigerant Pack, 4-1/2" Length x 4" Width x 1-1/2" Thick (Case of 6) - Image 1](https://m.media-amazon.com/images/I/711FcVsiJuL.jpg) ## Questions & Answers **Q: How much does each brick weigh?** A: Each brick when frozen weighs ~450g (just slightly less than a pound). **Q: is this product good/safe for keeping my food cool in a lunch box?** A: Yes, they are really better than the gel ones, I specifically bought these because of the foam as I has some before and the worked really well. I would probably use 2 or more depending on the size of your lunch box. **Q: When not used, should I keep them in the refrigerator?** A: I don't, I just keep them in the empty cooler, make sure you put in the freezer a good 48 hours before you plan to use them. **Q: Why is the two pack more expensive than buying two one packs?** A: I don't know; ask Amazon. That seems true with many of their offerings. ## Frequently Bought Together - Polar Tech - RB 15 RB15 Re-Freez-R-Brix Foam Refrigerant Pack, 4-1/2" Length x 4" Width x 1-1/2" Thick (Case of 6) - Polar Tech 245C Thermo Chill Insulated Carton with Foam Shipper, Medium, 17" Length x 10" Width x 8-1/4" Depth, Original Version - Polar Tech - RB 30 RB30 Re-Freez-R-Brix Foam Refrigerant Pack, 9" Length x 4" Width x 1-1/2" Thick (Case of 3) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/1668672-polar-tech-rb-15-rb15-re-freez-r-brix-foam](https://www.desertcart.sg/products/1668672-polar-tech-rb-15-rb15-re-freez-r-brix-foam) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-08-30*