✅ Product Features: Available in 1, 2, 4, or 6 pieces – Choose the pack that suits your needs Reusable Water Injection Design – Fill, freeze, and reuse again and again Premium PE Material – Durable, non-toxic, and leak-proof Universal Blue Colour – Easy to identify and store Compact & Portable – Easy to carry for travel, camping, and transport Efficient Cooling Support – Keeps contents cold for extended hours Perfect Fit for Cooling Fans & Cold Chain Use – Enhance performance of commercial air conditioning fans and cold storage.