Use these cups with the Art Alternatives sealed cup palette as paint holders, or use them for storing and organizing glitter, craft supplies, buttons and more. This set contains 12 air-tight sealed cups that holds approximately 0.35 fl. oz. of any all water-based media - keeping your paint as fresh as your ideas.Details:0.35 fl. oz. capacity12 cupsMade of durable stain-proof plasticMulti-purpose storageWhite caps for easy labeling