Green, Blue, And Blue-Green Glow In The Dark Pla Filament, 250G X 4 Pack, Product Features ?Are the regular 3D printer filament colors too monotonous? Better to try Glow in The Dark Filament,which appears white at day, but emits light at night. Making it perfect for creation needing low-key, rich and enigmatic appearance; ?What is an excellent PLA filament for you? A filament that can glow in the dark? Odorless, Clog-Free, Bubble-Free Easy-to-use? No odor and low warpage during printing? High toughness and excellent strength?How about something that combines the functionality of all of the above! ?Safe to use and made of natural materials?reliable and durable. CE, RoHS certificated by authority,. The phosphorescent substance in PLA Filament absorbs light energy and emits light in the dark. In order to get better results, we recommend that the model be exposed to sunlight or UV light for 15 minutes. ?You don?t have to worry that it will be incompatible with your 3D printer ? 1.75 mm in diameter, dimensional accuracy +/- 0.03 mm. It works perfectly with most FDM 3d printers on the market. (For example MK3, Ender 3, Monoprice FlashForge, etc.) ?Vacuum sealed packaging: iSANMATE 3d filament is carefully vacuum packed with desiccant to maintain the performance of PLA filament. And keep it dry to prevent dust and foreign matter from entering to prevent nozzle clogging. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!