Product detailsHeat resistance temperature: -20?C-150??Washing instructions:1. Please clean the gla tank before using the product for the first time. (The gla tank can be pd in the dishwasher for cleaning)2. The “pre-type vacuum sealing cover” cannot be soaked or washed in water, but can be wiped with a wet cloth. (Because there is a vacuum valve in the cover, if water or powder enters, the valve in the sealing cover may be blocked and the vacuum effect will be affected. )3. In order to better ensure the service life of the sealed tank, when cleaning the gla tank, do not use hard washing tools such as steel balls for cleaning.Instructions for use:1. It is not recommended to stor or powder articles in the tank. (Because there is a vacuum valve in the sealing cover, water or powder may enter the vacuum valve in the cover when the tank is dumped, which may lead to the blockage of the valve and affect the vacuum effect. )2. The height of the articles stored in the tank: it is recommended to be lower than the bottom of the “sealed cover” by 1cm. It is recommended to pre for 20 times to obtain better vacuum hypoxia storage effect when vacuum ing is carried out.3. In order to ensure a better storage effect in the tank for a long time, it is suested that the air exction valve on the top of the sealed lid can be preed several times every 7-10 days to obtain a better vacuum and low oxygen storage environment in the tank.4. According to the prince of thermal expansion and cold conction, it is not poible to obtain a good vacuum effect when hot food is stored in the tank. It is suested that the hot food should be pd at room temperature before g covered with a sealing cover for preing and ing.5. During daily use, please don’t be close to flames to avoid strong impact, so as not to cause product deformation and affect the use effect.