Safe and High-Quality Material: Made from plant-based starch, this PLA filament is stronger, less prone to breakage, biodegradable, eco-friendly, non-toxic, and odorless. Enjoy bubble-free printing, safe for both kids and adults. Excellent 3D Printing Effect: This filament is glossy and smooth, tangle-free, easy to shape, and produces vibrant, clear colors for stunning visual results. Our 20 popular colors are perfect for your 3D art masterpieces. Wide Compatibility: Universally compatible with most 1.75mm 3D pens and printers (dimensional accuracy +/- 0.05mm). The PLA filament uses a printing temperature range of 160°C to 200°C, enabling fast shaping without cracking or warping, and preventing nozzle clogging. 20 Unique Colors: This set includes 17 solid colors and 3 fluorescent colors, adding fun and flair to your designs. Bonus Gifts: Includes 2 silicone finger guards, a stencil, and a heat-resistant mat to help you get started with 3D printing. A fantastic starter gift for kids' birthdays, Easter, Children's Day, Christmas, DIY projects, art, and crafts.