This is a set of 12 Banobagi face masks. ① Banobagi DX Mask Caffeine & Firming Derma Collaboration Mask x 4 Purchase Date: 2025.10 (No expiration date listed due to Japanese labeling) ② Banobagi Skin Booster Mask Firming, Pore Care x 4 Expiration Date: 2028.06.02 ③ Banobagi Vita Genic Jelly Mask Lifting, Elasticity x 4 Purchase Date: 2025.10 (No expiration date listed due to Japanese labeling)