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Bulk & multi-pack filament, ranked by £/kg

Filament sold in 2 kg and larger packs, where the saving is real but only visible once you divide. Every pack here is ranked by its cost per kilogram, with the pack counted at its total weight, so a four-spool bundle competes honestly with a single roll.

630 listings tracked, 183 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
Amazon Basics ABS 3D Printer Filament, 1.75mm, 5 Assorted Colors, 1 kg per Spo	ABS	5 kg	★★★½☆ 3.7 out of 5 (578 Amazon ratings)	£28.60	£5.72	—
JAYO PETG 3D Printing Filament 1.75 mm Bundle, 4.4KG Black*4	PETG	4.4 kg	★★★★½ 4.4 out of 5 (1,879 Amazon ratings)	£25.49	£5.79	15% below
Creality ABS Filament 1.75 mm, 2 kg 3D Printer Filament Bundle, Dimensional Ac	ABS	2 kg	★★★★½ 4.3 out of 5 (16 Amazon ratings)	£12.60	£6.30	Warehouse
JAYO PETG 3D Printing Filament 1.75 mm Bundle, 4.4KG Multicolor	PETG	4.4 kg	★★★★½ 4.4 out of 5 (1,879 Amazon ratings)	£28.04	£6.37	15% below
JAYO PETG 3D Printing Filament 1.75 mm Bundle, 4.4KG Multicolor	PETG	4.4 kg	★★★★½ 4.4 out of 5 (1,879 Amazon ratings)	£28.04	£6.37	15% below
JAYO Clear PETG 3D Printing Filament 1.75 mm Bundle, 4.4KG Multicolor	PETG	4.4 kg	★★★★½ 4.4 out of 5 (1,879 Amazon ratings)	£28.04	£6.37	15% below
JAYO PETG 3D Printing Filament 1.75 mm Bundle, 4.4KG Multicolor	PETG	4.4 kg	★★★★½ 4.4 out of 5 (1,879 Amazon ratings)	£28.04	£6.37	15% below
JAYO PLA 3D Printing Filament 1.75 mm Bundle, 4.4KG Multicolor	PLA	4.4 kg	★★★★☆ 4.2 out of 5 (5,308 Amazon ratings)	£29.06	£6.60	10% below
no image yet DEEPLEE PETG Filament Black&White&Brown 1KG*3, 3D Printer Filament Good Impact	PETG	3 kg	—	£19.99	£6.66	—
no image yet sourcing map PETG 3D Printer Filament, 1.75mm 1KG High Precision Moistureproof	PETG	2 kg	—	£13.49	£6.75	—
no image yet JAYO PLA 3D Printing Filament 1.75 mm Bundle, Total 4.4 kg Multicolor	PLA	4.4 kg	—	£29.87	£6.79	—
JAYO PLA 3D Printer Filament 1.75 mm Bundle, 4.4KG Multicolor	PLA	4.4 kg	★★★★☆ 4.2 out of 5 (5,323 Amazon ratings)	£29.87	£6.79	14% below
no image yet Kingroon 16KG PETG Filament Bundle 1.75mm for 3D Printer, 3D Printing Filament	PETG	16 kg	—	£110.49	£6.91	—
no image yet DEEPLEE PETG Filament Gray 4KG, 3D Printer Filament Good Impact Resistance, Fi	PETG	4 kg	—	£28.04	£7.01	—
SUNLU 3D Printer Filament PETG Filament Refill 1.75mm,Suitable for SUNLU Third	PETG	4 kg	★★★★½ 4.6 out of 5 (140 Amazon ratings)	£28.04	£7.01	34% below
TINMORRY PETG 3D Printer Filament Bundle, PETG-ECO Filament 1.75 mm, Rapid PET	PETG	4 kg	★★★½☆ 3.7 out of 5 (9 Amazon ratings)	£28.11	£7.03	Warehouse
no image yet eSUN PLA+ Filament 1.75mm 3KG Spool(6.6 LBS), Enhanced Toughness,Pine Green	PLA+	3 kg	—	£21.17	£7.06	—
no image yet SUNLU 3D Printer Filament PETG Filament Refill 1.75mm,Suitable for SUNLU Third	PETG	4 kg	—	£28.28	£7.07	—
no image yet SUNLU CMYK 3D Printer Filament PETG Filament Refill 1.75mm,Suitable for SUNLU	PETG	4 kg	—	£28.49	£7.12	—
no image yet IEMAI PETG Filament 1.75mm 12KG, PETG Black/White/Gray/Beige/Olive Green/Amber	PETG	12 kg	—	£85.99	£7.17	—
no image yet Kingroon 10KG PETG Filament Bundle 1.75mm for 3D Printer, 3D Printing Filament	PETG	10 kg	—	£72.24	£7.22	—
DEEPLEE PLA Plus 1.75mm Filament Translucent 2kg Bundle	PLA+	2 kg	★★★★½ 4.6 out of 5 (1,004 Amazon ratings)	£14.44	£7.22	15% below
no image yet TECBEARS PLA 3D Printer Filament, 4KG PLA Filament 1.75mm, Neatly Wound 3D Pri	PLA	4 kg	—	£28.89	£7.22	—
TECBEARS PLA 3D Printer Filament, Neatly Wound PLA Filament 1.75mm, Dimensiona	PLA	4 kg	★★★★½ 4.4 out of 5 (897 Amazon ratings)	£28.89	£7.22	—
JAYO PETG 3D Printer Filament 1.75mm, 2.2KG Black & Black	PETG	2.2 kg	★★★★½ 4.4 out of 5 (1,877 Amazon ratings)	£16.14	£7.34	15% below
JAYO PETG 3D Printing Filament 1.75mm, 2.2KG (4.85lbs) Black+White	PETG	2.2 kg	★★★★½ 4.4 out of 5 (1,878 Amazon ratings)	£16.14	£7.34	19% below
no image yet JAYO PLA 3D Printing Filament 1.75mm, 2-Pack 2.2kg Black	PLA	2.2 kg	—	£16.31	£7.41	—
no image yet SUNLU 3D Printer Filament PETG Filament Refill 1.75mm,Suitable for SUNLU Third	PETG	4 kg	—	£29.77	£7.44	—
DEEPLEE PLA Plus 1.75mm Filament White 4kg Bundle	PLA+	4 kg	★★★★½ 4.5 out of 5 (996 Amazon ratings)	£29.82	£7.46	Warehouse
SUNLU PLA+ Filament Refill 1.75mm 4KG, No-Spool PLA Plus Refill for Reusable S	PLA+	4 kg	★★★★½ 4.4 out of 5 (224 Amazon ratings)	£29.99	£7.50	9% below
TECBEARS PETG 3D Printer Filament 1.75mm 4KG Bundle, High Toughness	PETG	4 kg	★★★★½ 4.3 out of 5 (3,706 Amazon ratings)	£29.99	£7.50	9% below
no image yet Creality CR Refill PETG 3D Printer Filament 1.75mm, Glossy Translucent Finish,	PETG	4 kg	—	£29.98	£7.50	—
SUNLU 4KG PETG 3D Printer Filament, Strong PETG 1.75mm, White*4	PETG	4 kg	★★★★½ 4.4 out of 5 (191 Amazon ratings)	£30.39	£7.60	5% below
no image yet DEEPLEE Matte PLA Filament 1.75mm Matte Black 4kg Bundle	PLA	4 kg	—	£30.59	£7.65	—
TECBEARS High Speed PLA 3D Printer Filament 1.75mm, 2kg Black PLA Classic	PLA	2 kg	★★★★★ 5.0 out of 5 (9 Amazon ratings)	£15.29	£7.65	15% below
no image yet TECBEARS PLA 3D Printer Filament, Neatly Wound PLA Filament 1.75mm, Dimensiona	PLA	2 kg	—	£15.29	£7.65	—
no image yet DEEPLEE PETG Filament Brown 3KG, 3D Printer Filament Good Impact Resistance, F	PETG	3 kg	—	£22.94	£7.65	—
no image yet DEEPLEE PETG Filament Gray 3KG, 3D Printer Filament Good Impact Resistance, Fi	PETG	3 kg	—	£22.94	£7.65	—
no image yet DEEPLEE PETG Filament Beige 3KG, 3D Printer Filament Good Impact Resistance, F	PETG	3 kg	—	£22.94	£7.65	—
Rapid PETG Filament 1.75mm, 2KG Filament Bundle, Black, High Speed 600mm/s 3D	PETG	2 kg	★★★★☆ 4.0 out of 5 (1,328 Amazon ratings)	£15.29	£7.65	23% below
no image yet 3DHoJor Basic PLA Filament Bundle 1kg*4 1.75mm Multicolor Fit 3D Printers	PLA	4 kg	—	£30.68	£7.67	—
no image yet 3DHoJor Basic PETG Filament 1.75mm 1kg*2 Bundle for 3D Printers,Red+Blue	PETG	2 kg	—	£15.33	£7.67	—
TINMORRY PETG 3D Printer Filament Bundle, PETG-ECO Filament 1.75 mm,Rapid PETG	PETG	4 kg	★★★½☆ 3.7 out of 5 (9 Amazon ratings)	£30.99	£7.75	27% below
TINMORRY PETG 3D Printer Filament Bundle, PETG-ECO Filament 1.75 mm, Rapid PET	PETG	4 kg	★★★½☆ 3.7 out of 5 (9 Amazon ratings)	£30.99	£7.75	27% below
no image yet GratKit PETG Filament 1.75mm, 3D Printer Filament High Toughness,6KG Bundle	PETG	6 kg	—	£46.74	£7.79	—
no image yet GratKit PETG Filament 1.75mm, 3D Printer Filament High Toughness,6KG Bundle	PETG	6 kg	—	£46.74	£7.79	—
no image yet GratKit PETG Filament 1.75mm, 3D Printer Filament High Toughness,6KG Bundle	PETG	6 kg	—	£46.74	£7.79	—
no image yet GratKit PETG Filament 1.75mm, 3D Printer Filament High Toughness,6KG Bundle	PETG	6 kg	—	£46.74	£7.79	—
no image yet GratKit PETG Filament 1.75mm, 3D Printer Filament High Toughness,6KG Bundle	PETG	6 kg	—	£46.74	£7.79	—
no image yet SUNLU 4KG PLA Matte 3D Printer Filament, White+Green+Klein Blue+Red	PLA	4 kg	—	£31.33	£7.83	—
WEEFUN 4 Color PLA 3D Printer Filament Pack, 1.75mm PLA Filament 3D Printing M	PLA	4 kg	★★★★☆ 4.2 out of 5 (11 Amazon ratings)	£31.34	£7.84	5% below
WEEFUN 4 Color PLA Filament Pack for FDM 3D Printers, 3D Printing Material wit	PLA	4 kg	★★★★½ 4.4 out of 5 (8 Amazon ratings)	£31.34	£7.84	5% below
no image yet TECBEARS PETG 3D Printer Filament 1.75mm 4KG Bundle, High Toughness	PETG	4 kg	—	£31.34	£7.84	—
OVERTURE 3D Printer Filament PLA 1.75mm 4kg Bundle, Black*2+White*2	PLA	4 kg	★★★★☆ 4.2 out of 5 (108 Amazon ratings)	£31.34	£7.84	10% below
SUNLU 3D Printer Filament PETG Filament Refill 1.75mm,Suitable for SUNLU Third	PETG	4 kg	★★★★½ 4.6 out of 5 (140 Amazon ratings)	£31.34	£7.84	—
OVERTURE 3D Printer Filament PLA 1.75mm 2kg Bundle, Black*1+White*1	PLA	2 kg	★★★★½ 4.6 out of 5 (24 Amazon ratings)	£15.72	£7.86	Warehouse
TECBEARS PLA 3D Printer Filament Bundle 4KG, Neatly Wound PLA Filament 1.75mm,	PLA	4 kg	★★★★½ 4.4 out of 5 (892 Amazon ratings)	£31.44	£7.86	—
no image yet DEEPLEE PETG Pro Filament White 4kg	PETG	4 kg	—	£31.43	£7.86	—
no image yet SUNLU 4KG Rapid PETG 3D Filament 1.75mm, High Speed 30-600mm/s, White*4	PETG	4 kg	—	£31.44	£7.86	—
SUNLU 4KG Rapid PETG 3D Filament 1.75mm, High Speed 30-600mm/s, Black*4	PETG	4 kg	—	£31.44	£7.86	—

Guides

• Silk filament: how to get the shiny finish
  Silk PLA gives prints a metallic sheen, and dual or triple colour silk shifts colour as it turns. What it is, how to print it, and where it falls short.
• Bed adhesion: what actually works
  Glue sticks, hairspray, rafts, brims and expensive surfaces — an honest ranking of what fixes prints coming loose, starting with the free fix that solves most cases.
• Do you need a filament dryer?
  Wet filament is real and ruins prints, but a dedicated dryer is not the only answer. How to tell if moisture is your problem, and what to do about it.
• Filament storage: dry boxes, vacuum bags and desiccant
  Keeping filament dry is cheaper than drying it out. What actually works, what desiccant to use, and why the little sachet in the bag is already spent.

Best-selling Filament by year — which actually sold best, going back several years, ranked by sales position rather than opinion.