Specification Brand : Yungden BulletPoint1 : Only Fit for 3Doodler Start plus 3D Pen: This 2.5mm 3D Pen filament refills pack is only compatible with 3Doodler Start+ 3D printing pen. Can not be used for other 3d pens that use 1.75mm PCL or PLA filaments BulletPoint2 : Premium Raw Materials: The raw material is PCL ( polycaprolactone ) , tasteless, clog-free, smooth printing and fast forming BulletPoint3 : Low Printing Temperature: The printing temperature of the 2.5mm 3d pen PCL refills for 3Doodler Start plus are 60-10 degrees Celsius BulletPoint4 : Vivid 25 Colors: This 2.5mm PCL Refill Packs include 25 mixed colors ( 21 popular colors and 4 glowing colors ). Each color 10 pieces, Total 250 pieces in the pack. The glowing filament refills can glow in the dark after absorbing a certain degree of light BulletPoint5 : Dimensional Accuracy: The Dimension of the 3d pen wires for 3Doodler Start plus is 2.5±0.02 mm, and each piece is 15 cm long Color : 2.5mm Pcl-25 Colors-a ExternallyAssignedProductIdentifier : 06975354040306 GpsrSafetyAttestation : 1 ItemName : Yungden 250PCS 3D Pen Refills Pack for 3Doodler Start+ Pen, 25 Colors 2.5mm PCL Low Temperature 3D Pencil Filaments, Not Compatible with Other 3D Pens ItemPackageDimensions_Height : 19.3 centimeters ItemPackageDimensions_Length : 3.4 centimeters ItemPackageDimensions_Width : 14.7 centimeters ItemTypeKeyword : filament-3d-printing-materials Manufacturer : Yungden Material : Polycaprolactone ModelNumber : YDPCL NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : YDPCL ProductDescription : Yungden 250PCS 3D Pen Refills Pack for 3Doodler Start+ Pen, 25 Colors 2.5mm PCL Low Temperature 3D Pencil Filaments, Not Compatible with Other 3D Pens ProductSiteLaunchDate : 2025-03-13T10:04:39.810Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 250 UnspscCode : 44121900 WarrantyDescription : 1 Year