Made of high-quality stainless steel material, durable and long time use.Non-slip design makes it easy to hold and will not to fall. The stainless steel nitro box / pill container is nice for small nitroglycerin, pills, medications, medicine, standard capsules and some small items.Safe and Durable Material: Made of high-quality stainless steel material, durable and long time use.Non-slip design makes it easy to hold and will not to fall.Non-slip design makes easy to hold and will not to fall.Light Weight & Portable: Compact size, with keychain top design,easy to carry,reduce your burden in outdoors. Remind your family or lover to take the medcine when they are out of home in time.Portable: The cute boxes are great to carry in purse or pocket backpacks to take along with your EDC belongings , and a small hole of the top lid can be clipped easily to key chains / keyring or wear rope hanging, the smaller one is also good for attaching on your necklace.Specifications:Color: SilverSize: outer size: large about 6.5cm x 1.95cm, medium about 4.85cm x 1.55cm, small about 3.9cm x 1.15cmInside size: large about 5.5cm x 1.8cm, medium about 3.5cm x 1.3cm, small about 2.3cm x 1.05cmPackage includes: 1pc* pill boxNote:1. Due to the light difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.