published in cooking with lid microwave oven Tupperware square with storage family tested in Taibo of [Products magazines] Heat-resistant glass,

[Please be sure to check] ★Part 1: Regarding initial defects★ If there is a problem such as ``a part was missing'' or ``the lid broke immediately'', please contact our store so we can take care of the problem. ★Part 2★ [Not enough pieces? ] In order to make it more compact, we pack the S size inside the L size. Please check the inside of the L size container. ★Part 3★ Some reviews have made unfounded statements about heat resistance, but rest assured that this product has been thoroughly tested and approved by a specialized organization in Japan (Consumer Science Research Institute, Inc.). The heat-resistant temperature is up to 140 degrees for the lid and 400 degrees for the glass part. Introducing microwaveable heat-resistant containers (storage containers, heat-resistant glass containers). It is extremely easy to use, as oil stains are easy to remove and odor does not stick to it, so more and more people are quitting plastic Tupperware. It's completely sealed so your soup won't get stuck, so you can also use it as a bento box. The glass part has a heat resistance temperature of 400 degrees, so you can also use it in a toaster oven. [Feature 1] Can be microwaved with the lid on. Heat-resistant containers that are commonly sold are labeled as ``microwave safe,'' but the lid must be removed before heating. This product can be heated even with the lid locked as long as only the air valve is open. There's no need to cover the food with plastic wrap and heat it, which is a hassle, so you can kill two birds with one stone by saving time and money on plastic wrap. In addition, by holding the locking part of the lid even after heating, it is relatively possible to take it out without using mitts. By the way, if you accidentally heat a general heat-resistant container with the lid on, the heat will deform the lid and cause the lid to not close or lock. [Feature 2] By attaching an air valve, the lid can be microwave-safe and can be sealed tightly. It can be used hygienically to store and move food containing liquids without leaking and staining the refrigerator. Additionally, both the lid and glass are dishwasher safe, so if you use a dishwasher, you don't have to worry about washing just the lid by hand. [Feature 3] The container is clear (transparent), so you can see the original color of the food and it does not interfere with the color. [Safe] Passed heat and cold resistance and food hygiene tests in Japan. All parts have been submitted to specialized organizations for approval so that everyone can use them with peace of mind. [Specifications] Heat-resistant temperature: Lid 140 degrees, glass 400 degrees / Cold-resistant temperature: -20 degrees / Glass material: Durable borosilicate glass / Lid material: Polypropylene / Packing: Silicone Color Lid: White / Container: Clear (transparent) [Gift] Although it is generally packaged in plain brown cardboard, this product uses reinforced cardboard with a special cushioning material to prevent damage from the outside, while also being stylish and designed with a clean look. Recommended as a gift for children starting a new life, newlyweds, and families. It's a reasonable price, so it's sure to please. [Size/Weight (approx.)] Small: W110 x H55 x D153mm (370ml / 350g) / Medium: W133 x H60 x D182mm (680ml / 465g) / Large: W155 x H68 x 208mm (1,040ml / 695g) [Set contents] 5 piece set: Large x 2, medium x 1, small x 2 / 8 piece set: large x 2, medium x 2, small x 4 [Note] ●When using a microwave oven, be sure to open the air valve when heating as this may cause damage. ●Since the toaster oven (microwave oven menu) reaches a high temperature of over 140, please be sure to remove the lid when heating. (Only available in glass containers) ■If you want to cool the container with the lock on after heating, leave the air valve open. If you leave it closed, the lid may dent and cause damage. ●Please note that if you rapidly cool down a hot item, the glass may be damaged. ●Water or foods with a high moisture content are not suitable for frozen storage. Freezing water increases its volume, which can cause damage to glass containers. Rice has a higher moisture content than it looks, and has a high expansion rate, making it a food item with a high possibility of breakage. Please refrain from freezing. [Please be sure to check] ★Part 1: Regarding initial defects★ If there is a problem such as ``a part was missing'' or ``the lid broke immediately'', please contact our store so we can take care of the problem. ★Part 2★ For customers who think that there are not enough items even though it is a set of 〇 pieces, please check inside as the S size is definitely included in the L size. ★Part 3★ Some reviews have made unfounded statements about heat resistance, but rest assured that this product has been thoroughly tested and approved by a specialized organization in Japan (Consumer Science Research Institute, Inc.). The heat-resistant temperature is up to 140 degrees for the lid and 400 degrees for the glass part. [Feature 1] Can be microwaved with the lid on. Heat-resistant containers commonly sold are labeled as ``microwave safe,'' but you must remove the lid to heat them before use. This product can be heated even with the lid locked as long as only the air valve is open. There's no need to cover the food with plastic wrap and heat it, which is a hassle, so you can kill two birds with one stone by saving time and money on plastic wrap. In addition, by holding the locking part of the lid even after heating, you can use it without using mittens. It is also relatively easy to remove. By the way, if you accidentally heat a general heat-resistant container with the lid on, the heat will deform the lid and cause the lid to not close or lock. [Feature 2] By attaching an air valve, the lid can be microwave-safe and can be sealed tightly. It is hygienic and perfect for storing foods containing liquids and making them ahead of time without leaking and staining the refrigerator when moving them. Additionally, both the lid and glass are dishwasher safe, so if you use a dishwasher, you don't have to worry about washing just the lid by hand. [Safe] Passed heat and cold resistance and food hygiene tests in Japan. All parts have been submitted to specialized organizations for approval so that everyone can use them with peace of mind. [Specifications] Heat-resistant temperature: Lid 140 degrees, glass 400 degrees / Cold-resistant temperature: -20 degrees / Glass material: Durable borosilicate glass / Lid material: Polypropylene / Packing: Silicone [Gift] Although it is generally packaged in plain brown cardboard, this product uses reinforced cardboard with a special cushioning material to prevent damage from the outside, while also being stylish and designed with a clean look. new Recommended as a gift for children, newlyweds, and families who are starting their lives. It's a great deal for a small price, so it's sure to please. [Size (approx.)] Small: W110 x H55 x D153mm (370ml) / Medium: W133 x H60 x D182mm (680ml) / Large: W155 x H68 x 208mm (1,040ml) [Set contents] Set of 5: Large x 2, Medium x 1, Small x 2 / Set of 8: Large x 2, Medium x 2, Small x 4 [Note] ●When using a microwave oven, be sure to open the air valve when heating as this may cause damage. ●Please be sure to remove the lid when heating in the oven. The microwave oven menu requires high-temperature cooking (above the heat-resistant temperature), and the lid will deform when used, so be sure to remove the lid when heating. ●Please note that if you rapidly cool down a hot item, the glass may be damaged.