High Quality Material: Each pill box is made of high quality grain fiber and food grade ABS + sealing ring material, BPA free, very strong, better stability, more suitable for storing pills. Moisture-proof and Protective Tablets: There is a sealing ring around, which can keep your travel pill box tightly closed, protect the pills from moisture and dust, let you take fresh pills every day, say goodbye to damp pills. Double Lock and Removable Lid: The removable lid design makes it easy for you to clean and refill the medicine case. The pill case closes tightly, so you don’t have to worry about the case opening in your purse. PORTABLE SIZE AND TRAVEL: The size of this portable pill case is 6.8*2cm, it can easily fit into your purse, suitcase, backpack, handbag or coat pocket, does not take up space and is very convenient for travel!