Cobalt Blue PLA is a bold, saturated blue PLA filament. Use it for logos and signs, team colors, toys and color-coded parts. Want a darker blue? See Navy Blue. Need cobalt blue in a tougher material that handles more heat? See Cobalt Blue PETG. Like all COEX 3D Standard PLA, it's made in our Green Bay, Wisconsin facility from virgin Nature
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Nice deep blue that matches perfectly for US Flag projects!
This is an awesome deep blue that pops when you use it on a Flag project!
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Tim · June 23, 2026
Vibrant Blue
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Walt · September 26, 2025
Happy Customer
Very satisfied, great quality, and I could not believe how quickly the order was processed and sent out. Will order again. Great color.