Best Silicone Food Flasks of 2025

The Gosknor Thermos Gasket Set includes six high-quality silicone replacement gaskets, ensuring you have enough to meet your needs. Made from premium silicone, these gaskets are reliable and soft, providing a secure, leak-free seal for your Thermos Stainless King food jars. Their perfect fit for both 16oz and 24oz jars means you can trust them to keep your food fresh. Plus, the easy installation process allows you to replace old gaskets quickly, enhancing your user experience.

The Polar Gear Food Flask is a versatile thermal container with a generous 520ml capacity, perfect for carrying your meals on long trips. It keeps food hot or cold for up to 6 hours, so you can enjoy your favourite dishes at the right temperature. With its leakproof design, you won't have to worry about spills or messes during your travels. Plus, it comes with a handy spoon attached, allowing you to enjoy your meal without the hassle of losing cutlery.

The KLOWOAH Replacement Gaskets are designed to fit Thermos Stainless King Food Jars, providing you with a perfect and leak-proof seal. Made from high-quality food-grade silicone, these gaskets ensure your food stays fresh and at the right temperature for longer periods. Installation is a breeze; simply remove the old gasket and replace it without needing any special tools. With a set of four, you'll have plenty of spares to keep your food jars functional and share with family and friends.

The GOOD FOR YOU Food Flask is a versatile thermal container perfect for keeping your meals hot or cold. It features a leak-proof design, allowing you to pack it confidently in your lunch bag without worrying about spills. The double-walled vacuum insulation ensures your food stays hot for up to 9 hours, making it ideal for soups and pasta. Constructed from food-grade materials, this flask is safe for storing your meals, giving you peace of mind while enjoying your lunch.

The Polar Gear Food Flask is designed to keep your meals at the perfect temperature for hours. With a generous 400ml capacity, it fits a tin of soup perfectly, allowing you to enjoy hot meals while on the go. Pre-heat or pre-cool the flask to maintain your desired temperature for up to 6 hours. The included durable spoon is conveniently stored, so you won’t lose your cutlery. Plus, the non-slip silicone band ensures a secure grip, making it easy to handle without spills.

The Built Food Flask is perfect for those who are always on the move. Its vacuum insulation allows you to transport hot and cold foods easily, ensuring your meals stay at the right temperature. With a leakproof design, you can carry soups, curries, and even ice cream without worrying about spills, making it ideal for commutes or days out. The double-walled construction keeps your food hot for up to six hours and chilled for up to 24 hours, providing convenience for your busy lifestyle.

The WayEee Food Flask is designed to keep your meals at the right temperature. With its double vacuum inner design, it maintains warmth for up to 6 hours and coolness for up to 8 hours, making it perfect for soups, pasta, or fresh fruit. The vacuum insulated lid serves as a bowl, adding convenience for on-the-go dining. Additionally, the silicone sealing strip ensures an airtight seal, keeping your food secure and free from bacteria, so you can enjoy your meals with peace of mind.

The tiddlers & nippers Flask is designed with double wall vacuum insulation, keeping your hot meals warm for over 10 hours and cold snacks cool for up to 20 hours. The leak-proof lid features a flexible handle, ensuring that your food stays secure during transport. A handy folding reusable spoon is cleverly hidden under the lid, providing convenience for on-the-go eating. Made from eco-friendly, BPA-free stainless steel, this product is safe for both kids and adults, making it a great choice for family meals or school lunches.

The flintronic Food Flask is designed to keep your meals at the perfect temperature for hours. With superior thermal insulation, it maintains your food’s warmth for 6 to 12 hours, making it ideal for winter days. Made from food-safe 304 stainless steel, it ensures your food remains fresh and free from harmful substances. The leak-proof design prevents spills, allowing you to transport your meals with confidence. Plus, the foldable spoon included in the lid adds convenience, so you’re always ready to enjoy your food.

The HOUSETEC Food Flask is designed to keep your meals at the perfect temperature, whether hot or cold. Its double-walled construction with vacuum insulation ensures your food stays warm for up to 12 hours and cold for 24 hours, making it ideal for both soups and salads. Made from high-quality food-grade stainless steel, you can enjoy your meals without worrying about plastic contamination. The flask also features a unique double lid that can be used as a bowl, enhancing convenience and insulation during your outdoor adventures.