
Lock & Lock plastic containers are generally considered dishwasher-safe. However, some users have reported a whitish buildup on the containers after washing them in the dishwasher, which could be due to hard water. While the containers are also microwave-safe, it is recommended to avoid heating foods with high fat content in the microwave as they can cause the plastic to bubble.
| Characteristics | Values |
|---|---|
| Dishwasher Safe | Yes |
| Microwave Safe | Yes, but avoid using with fatty foods |
| Freezer Safe | Yes |
| Airtight | Yes |
| Leakproof | Yes |
| BPA-Free | Yes |
| Stackable | Yes |
| Long-Lasting | Yes |
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What You'll Learn

Lock & Lock plastic containers are dishwasher-safe
Lock & Lock containers are made from high-quality materials, making them long-lasting, strong, and durable. They are also BPA-free and safe to use in the microwave and freezer. The unique four-hinged locking system has been durability-tested for long-lasting performance of up to 3 million uses.
When it comes to dishwasher use, it is recommended to place the Lock & Lock containers on the top rack only. Some users have reported a whitish buildup on the containers after dishwasher use, which could be due to hard water. To avoid any potential issues, hand washing may be preferable, especially for the container lids, as the heat from the dishwasher may distort the seal.
Overall, Lock & Lock plastic containers are a convenient and versatile option for food storage, offering microwave, freezer, and dishwasher compatibility, making them a useful addition to any kitchen.
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They are also safe for use in the microwave and freezer
Lock & Lock plastic containers are safe for use in the microwave and freezer. They are made from high-quality materials, making them durable and long-lasting. The containers have a unique stacking design, allowing for more space in your fridge, freezer, or cupboard.
When using the containers in the microwave, it is important to note that the lids should not be used to cover the containers. Instead, place the lid upside down on top of the container or offset to the side. This is because the heat from the microwave can cause the lid to get stuck, making it difficult to open. In addition, avoid microwaving foods with high-fat content, such as spaghetti sauce, as they can cause the plastic to bubble.
The containers are also freezer-safe, allowing for convenient food storage. The airtight and liquid-tight lids help keep your ingredients fresh for longer, preventing unwanted drips and spills. The four-hinged locking system has been durability-tested for long-lasting performance, ensuring the reliability of the containers.
The versatility of Lock & Lock plastic containers makes them a convenient choice for various storage needs, whether it's for food storage, packing lunch, or organizing items around the home.
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Containers are airtight and leakproof
Lock & Lock containers are airtight and leakproof. They are manufactured with unique clip-locking hinges for securing and opening the lid with ease. The four-hinged lids have been tested for durability and can be opened and closed more than 3 million times. The hollow silicone seal in the rim of the lid ensures an airtight seal, keeping food fresh for longer. The containers are also designed to be stackable, creating up to 40% more space in your fridge, freezer, or cupboard.
While the containers are dishwasher-safe, some users have reported a whitish build-up on the containers and lids after washing them in the dishwasher. To avoid any potential issues, it is recommended to hand wash the containers and lids, especially if you have hard water, as the heat from the dishwasher may cause a slight distortion to the seal.
The Lock & Lock containers are also microwave-safe, but it is advised to avoid using them to heat foods with high-fat content, as this can cause the plastic to bubble. Additionally, when using the containers in the microwave, it is recommended to offset the lid or place it upside down on top of the container to avoid creating a vacuum seal.
Overall, the Lock & Lock containers are a durable and versatile option for food storage, offering both airtightness and leakproof functionality.
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They are made from BPA-free plastic
Lock & Lock plastic containers are made from BPA-free plastic, which is safe for use in the dishwasher. These containers are also safe for use in the microwave and freezer. The plastic is of high quality, ensuring that the containers are long-lasting, strong, and durable. The unique stacking design of these containers can save up to 40% more space in your fridge, freezer, or cupboard.
The BPA-free plastic used in Lock & Lock containers is also known for its airtightness and leakproof qualities. The four-hinged lids have been tested for reliability, guaranteeing more than 3 million uses. The hollow silicone seal in the rim of the lid ensures an airtight seal, keeping food fresh for longer.
While the plastic containers themselves are dishwasher-safe, some users have reported a whitish buildup on the containers after dishwasher use. This could be due to hard water, and handwashing may be preferable in such cases. It is worth noting that the lids, in particular, may be better off being hand-washed, as the heat from the dishwasher may cause slight distortion.
Lock & Lock plastic containers are a convenient and versatile option for food storage, offering a range of sizes and shapes to meet various needs. The BPA-free plastic construction ensures the safety and durability of these containers, making them a reliable choice for storing and organizing food items.
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The lids have a unique locking system
Lock & Lock plastic containers feature a unique locking system that ensures the contents stay fresh and secure. The lids have a distinctive four-hinged design with clip-locking hinges, allowing for easy securing and opening. This locking mechanism has been durability-tested for long-lasting performance, guaranteeing reliability over time. Each lid has been tested to open and close more than three million times, ensuring a tight seal that keeps food fresh and prevents leaks.
The locking system also includes a silicone seal, which enhances the airtightness of the containers. This seal, combined with the locking hinges, ensures that the containers are 100% airtight and leakproof. This feature is especially useful for storing and transporting food, as it prevents unwanted drips and spills. The airtight seal also helps to preserve the freshness of the contents, making these containers ideal for storing dry goods, cereals, pasta, and other pantry items.
While the containers are dishwasher safe, some users have reported a whitish buildup on the lids after dishwasher use. This buildup could be due to hard water, and hand washing the lids may be preferable to maintain their optimal condition. When using the dishwasher, it is recommended to place the containers on the top rack only.
Additionally, it is important to note that the lids should not be used as a cover when microwaving. While the containers themselves are microwave-safe, placing the lid on top during microwaving can create a vacuum seal, making it difficult to open. Instead, it is recommended to offset the lid or place it upside down on top of the container when microwaving.
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Frequently asked questions
Yes, Lock & Lock plastic containers are dishwasher safe. However, it is recommended to place them on the top rack only.
Yes, the containers can also be washed by hand. Some users recommend hand washing the lids to prevent the seal from being affected by heat.
The containers can be used in the microwave, but it is recommended to avoid heating foods with a high-fat content, such as spaghetti sauce, as this may cause the plastic to bubble.
Yes, Lock & Lock containers are freezer-safe. They are also suitable for use in an air fryer and can withstand temperatures as low as -20°C.



























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