The best material for a koozie is typically stainless steel with a vacuum-insulated layer, as it offers the longest insulation performance. For further reference, here are three types of koozies:
- Stainless Steel Can Coolers
Premium double-walled stainless steel koozies use vacuum insulation to block nearly all heat transfer. With superior insulation, they keep drinks cold for hours without condensation, even in direct sunlight, and are built to last. Heavier and pricier, they provide the best long-term temperature retention, ideal for serious outdoor enthusiasts or long events. - Foam Can Coolers
Made from lightweight materials like polyethylene or EVA foam, foam koozies are the most basic and affordable option for keeping drinks cooler for a short period. They work by trapping air pockets in the foam, which slows heat transfer. Ideal for casual, short-term use (e.g., parties or picnics), but less durable and effective in long-term cooling. - Neoprene Can Coolers
Constructed from stretchy, synthetic rubber material, these offer better insulation and durability than foam. The snug fit reduces air circulation and heat transfer, while the textured surface improves grip. They are designed to keep drinks cold and dry for longer periods. Perfect for outdoor activities (beach trips, hiking) and reusable for years. Additionally, the wide range of colors and designs makes them a popular choice for fashion-conscious individuals.