Set of 12. Purchases made by February 18th will be shipped on February 19th. Purchases made on or after February 19th will be shipped in mid-March (undecided). Thank you for your understanding. SOLPEX Training Joint Mat, Soundproof, Shock Absorbing, Home Gym, Large Gym Mat, 60cm x 60cm x 1.2cm, Prevents Scratches, High Hardness, Vibration Absorption, Floor Protection, Training Equipment Mat