1、It is made of stainless steel,not easy to rust and wear. 2、You can take it with you for outdoor painting,suitable for medium size oil painting. 3、It has special design to prevent leakage,more practical. 4、You can fix it on your color palette steady and stable,convenient. 5、Some of these types equipped with a cover to seal the cup. Features: It is made of stainless steel,not easy to rust and wear. You can take it with you for outdoor painting,suitable for medium size oil painting. It has special design to prevent leakage,more practical. You can fix it on your color palette steady and stable,convenient. Some of these types equipped with a cover to seal the cup. Specification: Color:Silver Material:Stainless Steel Type:F-301/F-302/F-306/F-307 with Cover/F-308 with Cover/F-332/F-339/F-341/F-347(Optional) Package List: 1*Oil Cup