Mystery boxes are excluded from additional discounts, and items may vary in color.

Mystery Box Guidelines

Premium FDM 3/6KG Mystery Box:
You may receive any style and color of all Tecbears's filaments, including PLA series, PETG series, Silk series, ASA series, high speed series , glow series are possible. You get spool sizes 1KG.

By purchasing this Tecbears Random Color Filament Blind Box, you acknowledge and agree to the following terms:

1. Product Description
   Each blind box contains 3 rolls /6 rolls of Tecbears-brand filament in completely random colors. Colors may include duplicates and are not customizable or guaranteed to be unique.

2. No Returns/Exchanges
   All sales are final. We do not accept returns, exchanges, or color substitutions for:

• Color preferences or dissatisfaction

• Duplicate colors within the set

• Unopened/unused products without verified quality issues

3. Quality Assurance
   Exceptions will only be considered for:

• Legitimate manufacturing defects (e.g., material inconsistencies, packaging damage)

• Shipping-related product damage
  Contact customer service within 48 hours of delivery with photographic evidence for verification.

TECBEARS PLA FILAMENT - PLA has the advantages of good bed adhesion, low shrinkage and clean prints without warping, meeting the needs of multi-color printing. Perfect for beginners and 3D printing enthusiasts!
TANGLE-FREE WINDING - Full mechanical equipment and strict manual examination reduce the risk of tangles and jams, providing a smoother printing. Neatly wound filament guarantees the PLA easy to feed.
CLOG-FREE - PLA 3D printer filament offers a minimum dimensional tolerance of 1.75 +/- 0.02mm. Complete drying for 24 hours before packaging and vacuum sealing with desiccants ensure no bubbles.
1.75MM PLA SETTINGS - Recommended Extrusion/Nozzle Temperature 200¡ãC - 230¡ãC, a bed temperature of 50¡ãC - 65¡ãC, and a printing speed of 50-100mm/s for better printing results. Works perfectly with most FDM 3D printers.
3D FILAMENT SPOOL DIAMETER - Spool Diameter: 7.72", Spool Hub Hole Diameter: 2.85". TECBEARS PLA unlocks endless possibilities for art, decoration, Christmas gifts , tools, jewelry, and toys.
CUSTOMER SERVICE - TECBEARS provides a variety of 3D printing filaments and commits to making outstanding products. If you have any questions about filaments PLA, please don't hesitate to contact us.