PCL is an environmentally friendly, biodegradable, non-toxic, odorless, and child-friendly material. PCL filament with a low melting point of only 140°F, much lower than ABS or PLA, making it much safer for children. 1.75mm printer filament compatible with most 3D pens, 5 different colors, each 16.4 feet long, totaling 82 feet. Recyclable and reusable, if you are not satisfied with your production, soak the used filament in warm water for a few seconds and then shape it as you wish. The printer filament is a perfect gift for children on Christmas, birthdays, and holidays; Prepare enough materials to realize a new idea. PCL material is commonly used in biomedical applications, with excellent biocompatibility and biodegradability; Innovation must also be sustainable and harmless. Note: 1. Due to manual measurement, please allow a slight margin of error. Make sure you don't mind before bidding. 10186. Please note that the color may vary depending on the screen. Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly.