iBOSS Cosmic Rainbow 3D PLA Filament 1.75 mm +/- 0.02 mm, 1 kg Silk Cosmic Rainbow PLA+ 3D Printer Filament Colour Changing Rainbow Multicoloured Durable PLA Plus Filament for FDM 3D Printer
£21.49 per kg
3.7 out of 5 (7 Amazon ratings) on Amazon
Price shown was last seen 1d ago. Amazon prices change frequently — check before buying.
Specification
| Brand | iBOSS |
| Material | PLA+ |
| Finish | Silk, Rainbow & gradient |
| Weight | 1 kg |
| Diameter | 1.75 mm |
| Condition | New |
| ASIN | B0DMFC2KCD |
Recent price history
| Seen | Price | Condition |
|---|---|---|
| 28 Oct 2026, 09:50 | £21.49 | New |
| 21 Oct 2026, 08:50 | £19.63 | New |
| 15 Oct 2026, 06:20 | £19.68 | New |
| 14 Oct 2026, 07:50 | £19.65 | New |
| 15 Sep 2026, 00:20 | £26.55 | New |
How this price compares
Among the lowest this has been in the past year.
It was cheaper than this for 5% of the last year.
“Typical” is a time-weighted median of the real price history — the price this product held for most of the period, not an average. We use the median because averages are distorted by short spikes. How we rank
Shopping for a 3D printer? Answer up to six quick questions and the printer finder recommends one from our reviews, at today’s prices.
Cheaper PLA+ per kilo
Same material, lower cost per kilogram than this listing.
| Product | Material | Weight | Rating | Price | Per kg | Deal |
|---|---|---|---|---|---|---|
| PLA+ | 3 kg | 4.6 out of 5 (1,300 Amazon ratings) | £19.54 | £6.51 | 15% below | |
| PLA+ | 4 kg | 4.4 out of 5 (84 Amazon ratings) | £27.19 | £6.80 | 24% below | |
| PLA+ | 2 kg | 4.5 out of 5 (241 Amazon ratings) | £13.72 | £6.86 | 23% below | |
| PLA+ | 1 kg | 4.4 out of 5 (155 Amazon ratings) | £6.99 | £6.99 | 30% below | |
| PLA+ | 1 kg | 4.4 out of 5 (153 Amazon ratings) | £6.99 | £6.99 | 30% below | |
| PLA+ | 3 kg | 4.3 out of 5 (272 Amazon ratings) | £20.99 | £7.00 | 47% below |
All PLA+ spools ranked by £/kg