Try out any of the flexible filaments we sample. Don’t want to spend the money on a full roll or a Splash Spool? This trial size is for you. 15 feet/4.6 meters (~12 grams) each of your choice of filaments in two bunches stuffed into an envelope with free shipping. Color: what ever is in stock and available. *If you order 2 of the same brand I will send you one 30 ft piece.