The Color Range Of One4All Acrylic Twin Pumpmarkers Is Expanded With 24 New Colors. On Top Of That, Every Acrylic Twin Will Be Shipped With A Free Refill Extension (Fast And Clean Refill Helper) - For More Filling Capacity And Fun When Mixing Own Color Shades. Highly Opaque And Uv Resistant On Nearly All Surfaces: The Sustainable One4All Acrylic Marker System Has Been Built To Refill And Is Always Reliable In All Its Functions. A Low Wear And Numerous Possible Applications Offer An Added Value To These Markers. Whether Painting Surf Board, Canvas, Fridge, Graffiti Or Sneakers: Nothing Is Impossible. The One4All Acrylic Twin Is Available In 48 Color Shades. Moreover, You Can Mix Your Individual Color Shades By Using The Corresponding Empty Twin Pump Marker And The 50 One4All Refills. Effect Colors Make Coloring Exciting. Next To High-Value Applications And Artworks (Mixed Media) The One4All Acrylic Color System Is Ideal For The Design Of Ornamental Items On Nearly All Surfaces. Quality Restrictions And A Loss Of Color Characteristics Might Appear When Using Unclean Or Wrongly Prepared Surfaces. Generally A Previous Check Of The Color On The Chosen Surface At A Discreet Place Is Advisable. Please Note That Absorbent, Flexible And Uneven Surfaces Are Naturally More Unsuitable For Paintings Than Smooth And Unabsorbent Surfaces.