Derivan Refillable Bottles can be filled with inks, fluid paints, water based glues, alcohol based inks, art mediums and more! Ideal to Preserve custom-mixed colours for later re-use or keep sample colours you have mixed for future reference. As the containers are plastic you can also record the ratios on the outside with a water proof marker. Reduce the amount of paint or medium when travelling. Simply decant your favorite product and take a smaller amount with you. The squeeze bottles with precise tip applicators can be used for dripping paint techniques. Watercolours and inks can be decanted into the eye dropper Refillable for ease of use. Refillables are perfect for carrying small quantities of cleaning products for your brushes and hands like liquid soaps.