It has a crystal-transparent cover and base, so it is easy to see the inside. In addition, they have and deodorizing functions, which help to keep their appearance as new. 100% leak-proof and sealing: to no leakage, these sealed food storage containers have leak-proof seals and plugs. Easy to microwave: the food storage container is characterized by a built-in spill-proof microwave oven vent, with the lid open and the bolt open. The interior is clear at a glance: 360-degree crystal clarity allows you to easily see what's inside from any angle. Colour:Transparent & Gray Material:Plastic Package Contents: 3 * Preservation box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.