Product Description Baby-grade material that enables long-term direct contact with food. Anti-bacteria, non-toxic, non-drying, non-absorbent, non-greasy, drop and wear-resistant. The maximum capacity of this storage container is approximately 5kg of dry food, depending on the dry food's size, shape and volume. One-touch automatic vacuuming, locking pet food into the freshness box: vacuum locking, mould, moisture and insect resistance, inhibition of bacteria, no breeding of bacteria, safe material, baby tableware material. Intelligent constant pressure technology with automatic monitoring to ensure a vacuum environment. It automatically adjusts the vacuum time according to the volume of the pet food in the bucket and intelligently monitors for virtual air inflow. Automatically maintain constant pressure and ensure the bucket is always under a negative vacuum preservation environment. A complete block of air and moisture so that food always tastes its best. Instruction of Use: Press and hold the lock key for 3s. The indicator light will be blue and bright. Touch the lock key to start vacuuming, and press the lid with your hand for about 3 seconds (to avoid the air from entering), and the blue light will flash during the working period. Depending on the amount of air in the tank, the empty drum is automatically pumped for about 1 minute, the blue light stops flashing, and work is completed. Touch the unlock button to deflate the air automatically, the blue indicator light will flash, and the pressure balance will turn on after a tick.