- VERSATILE STORAGE SOLUTION: Our airtight containers can handle extreme temperatures from -40°F (-40°C) to 446°F (230°C). They are perfect for use in microwaves, dishwashers, and freezers. For microwaving, remove the lid or open the air vent for safe heating. - MULTIPLE SIZES FOR ALL NEEDS: Available in four convenient sizes: Small (350ml/11oz), Medium (540ml/18oz), Large (800ml/27oz), and Extra Large (1200ml/40oz). These containers are suitable for storing a variety of foods, both liquids and solids, with a reliable valve that guarantees a secure seal. When not in use, they collapse to one-third of their original size for effortless storage. - SAFE AND DURABLE MATERIAL: Crafted from high-quality food-grade silica gel, our containers are non-toxic, tasteless, odorless, and free from BPA. They comply with FDA standards and are easy to clean. The flexible, shatterproof material withstands drops, ensuring durability. Each container has an uncrackable sealing rubber ring lid to prevent spills. - IDEAL FOR DAILY USE: Perfect for outdoor activities like picnics, camping, and RV trips, as well as for transporting leftovers home. They fit easily into car compartments, bags, coolers, and kitchen cabinets, making them a great choice for office lunches or school lunchboxes. These containers save up to 60% in storage space compared to traditional glass containers while being lightweight for easy carrying. - SUSTAINABLE CHOICE: Our collapsible design not only maximizes storage efficiency but also promotes an eco-friendly lifestyle by reducing plastic waste. Enjoy practical, reusable containers that meet your everyday food storage needs.