This is a 6-piece set including Marlowe's Halloween limited edition cups. I kept them as souvenirs, but I am now letting them go as part of decluttering. Please only purchase if you understand that these are used items and have been stored at home. The Hayama black cup is Pyrex, the others are Iwaki, and there is one Hario. The Hario and Iwaki have slightly different designs. Please check the photos. Marlowe Mug cup Glass iwaki PYREX HARIO