Frequently Asked Questions
Everything you need to know about SUNLU products, shipping, and support.
What types of 3D printing materials do you offer?
SUNLU specializes in a wide variety of high-quality filaments including PLA, PETG, ABS, TPU, and Wood, as well as specialized UV-curable resins for SLA printers.
How long does shipping take for international orders?
Standard shipping typically takes 7-15 business days depending on your location. We utilize local warehouses in the US, EU, and UK to ensure faster delivery times whenever possible.
What is your return policy for defective products?
We offer a 30-day money-back guarantee. If you receive a defective spool or a malfunctioning 3D pen, please contact our support team with your order number and photos for a full refund or replacement.
Are SUNLU filaments compatible with all 3D printers?
Yes, our filaments are manufactured with a diameter tolerance of +/- 0.02mm, making them compatible with 99% of FDM 3D printers on the market that use 1.75mm material.
Which payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and Apple Pay through our secure encrypted checkout system.
How should I store my filament to prevent moisture absorption?
We recommend storing your filament in a cool, dry place. For best results, use a SUNLU Filament Dryer Box to remove moisture and ensure smooth, clog-free printing.