Mont Marte Acrylic Retarder Premium 75ml is a high-quality artist medium that is perfect for those who want to slow down the drying time of their acrylic paints. This product is ideal for artists who want to create more intricate and detailed works of art, as it allows for more time to blend and work with the paint. The 75ml bottle is the perfect size for artists who want to experiment with this product without committing to a larger size. This acrylic retarder is made by Mont Marte, a trusted brand in the art supplies industry. It is a must-have for any artist who wants to take their acrylic painting to the next level.