RMK Foundation Brush N This brush effortlessly blends liquid, cream, and gel-cream foundations onto skin. The brush's moderate elasticity and softness allows you to freely adjust coverage and finish to achieve your desired look. Made of PBT (polybutylene terephthalate). ● Brush Size : 119.5 x 24 x 16 mm ※ The width refers to the brush size and may vary slightly due to individual differences.