UPKOCH 4Pcs Reusable Ice Boxes for Cooler, PE Freezer Containers

About this item

• Simple One-Time Water Filling: These refillable blocks contain concentrated cooling powder. Just fill with water to the line once, well to activate the gel, and freeze. The cap seals tightly to prevent leaks. Do not empty the powder before filling
• Cold Retention: Say goodbye to messy melted water ruining your food. Our hard shell freezer boxes provide extended time compared to regular cubes, keeping your beverages crisp and perishables fresh throughout your outdoor adventures
• Multi-Purpose Cooling Companion: Specially designed to fit perfectly into portable air conditioner fans and coolers for a refreshing room breeze. They are equally effective in large chest coolers, lunch boxes, or insulated bags for tailgating, fishing trips, picnics, and off-grid excursions
• Slim Profile & Bulge-Resistant: To ensure the best shape, lay the activated blue flat on their widest side in your freezer overnight. The sleek, compact design maximizes your internal storage space, leaving plenty of room for all your essential snacks and drinks without adding unnecessary bulk
• Food-Safe & Effective: Crafted from , non-toxic materials, these chillers are completely safe to pack alongside everyday meals. Skip the daily ice runs; simply wipe clean after use and refreeze. This eco-conscious 4-piece set is an essential upgrade for your daily commute or road trips