plastic These sample containers measure about 1.2 inch/3cm in diameter,0.6 inch/1.6cm in height,about 6g in weight.Made of high quality plastic material,resistant to breaking and leaking out,durable and convenient to use Reusable: These 3g cosmetic jars are perfect for repeated use. High-quality material is easy to wash and dry for unlimited uses. Just wash with warm soapy water every time for clean use Feature: Each sample container features a round lid and inner liner to create a tight seal and will not leak. Easy to screw together and compact storage. You can take them in your pocket, purse, handbag, back pack and luggage,small size allows them to go anywhere Appliaction: These reusable jars are perfect for storing creams, cosmetics,lip balms, lip glosses, scrubs, nail accessories, charms, beads,earrings,sequin,small jewelry and any small accessories you want Great for: Ideal containers for holding samples of loose leaf teas, spices, cooking oils, paints and more. A wide-used and practical tool for your daily life Great for: Ideal containers for holding samples of loose leaf teas, spices, cooking oils, paints and more. A wide-used and practical tool for your daily life