MATERIAL SAFETY: Made from heat and condensation-resistant, Scratch Free Borosilicate, 100% lead-free and BPA-free, to provide you with the safest and healthiest high-temperature products. Designed for safety! STRONG SEALING:The cover is made of high-quality natural wood, which comes from government-controlled forests and is certified by the Forest Stewardship Council (FSC) to achieve a greener environment. The sealing cover is equipped with a food-grade silicone sealing ring, which effectively prevents the flow of gas and the entry of ants, allowing food to be stored for a longer time. EASY TO CLEAN:It adopts a large wide mouth design and comes with a cleaning brush, which can be easily washed by hand, can withstand temperatures of -4~302°F, and is dishwasher safe! MIX AND MATCH:glass storage jars, different sizes are suitable for storing a variety of food materials, such as pasta, oatmeal, coffee beans, nuts, spices, etc. Or you can put them on your dressing table, you can put cotton swabs, cotton pads, etc.