FROSTED UV-RESISTANT GLASS | ONGROK’s borosilicate frosted-glass jar is designed keep the product from drying out and blocks almost all visible light, except UVA and infrared. VACUUM PUMP LID | These glass storage containers are perfect for tea or food storage and kitchen organization!  Each jar comes with an airtight vacuum pump lid which seals in odor and helps preserve freshness, taste & aroma.   COLOR-CODED SILICONE BASE | Designed with 3 color-coded bases and chalkboard stickers for labeling.  These unique glass storage jars make it easy to organize spices, snacks & more while keeping items separated so you can easily identify what’s inside! CAPACITY | The large, 400ml/600ml/1200ml capacity of each herb jar provides plenty of space to keep herbs and other food items fresh and can hold 30-95 grams. RISK-FREE GUARANTEE | At ONGROK, our goal is to "ENHANCE YOUR EXPERIENCE", by bringing you the best products possible. If you're ever dissatisfied, just reach out and we'll be certain to make things right!