Food-grade material, can be in direct contact with food, safe to use Time compass, record the date of initial -keeping test, convenient to calculate the storage Vacuum the air valve to extract the air in the tank to keep moisture, prevent and , and reduce the oxidation rate Simple operation, physical vacuum lock freshness Double-sided strong lock buckle, fastening and durable, firmly buckle, thickened silicone sealing ring, detachable and easy to clean Colour:As Shown Material:Plastic Size:23x15x10.8cm Package Contents: 1 * Vacuum sealed canister 1 * hand pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Vacuum the air valve to extract the air in the tank to keep moisture, prevent mildew and insects, and reduce the oxidation rate Double-sided strong lock buckle, fastening and , firmly buckle, thickened silicone sealing ring, detachable and easy to clean Simple operation, physical vacuum lock freshness Time compass, record the date of initial fresh-keeping test, convenient to calculate the storage days Food-grade material, can be in direct contact with food, safe to use