# uni-ball Signo UMN-155-07 0.7 mm Multicolour Gel Rollerball Pens, Pack of 12

Pack: The uni-ball Signo UMN-155-07 is a retractable gel rollerball pen set with 12 different coloured pens and a 0.7 mm tip. Its multicolour ink and fine-point format suit colour-coded notes, study and everyday writing.

- [Original product page](https://bargainpostbox.co.uk/product/uni-ball-signo-umn-155-07-multicolour-gel-pens)
- [View offer](https://bargainpostbox.co.uk/visit/uni-ball-signo-umn-155-07-multicolour-gel-pens)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: uni-ball
- Model: Uni-Ball Signo UMN-155-07
- Category: Office & Stationery > Stationery & Writing
- Price: 6.79 GBP
- Previous price: 7.99 GBP
- Discount: 15%
- Price checked: 2026-11-13T06:03:41.669Z
- Rating: 4.3 / 5
- Reviews: 21

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Retractable format for quick use and storage between writing tasks.
- The listing claims a 0.7 mm fine tip and a Uni-Flow ink system for consistent flow.
- Water-resistant and fade-resistant pigment ink is claimed. The listing also describes it as smudge-resistant.
- Manufacturer contents specify 12 different coloured pens.

## Pros

- A 12-colour set supports colour-coded notes, planners and revision without buying colours separately.
- Retractable design avoids a separate cap to remove or replace during everyday use.
- Customer feedback mentions vibrant colours and smooth ink flow.

## Specifications

### Identity and writing
- Brand: uni-ball
- Model: Uni-Ball Signo UMN-155-07
- Pen type: Roller Ball Pen
- Writing technique: rollerball, gel ink
- Line size: 0\_7mm
- Point type: Fine
- Closure: Retractable
- Ink colour: Multicolor
- Ink base: Water
- Grip: Contoured
- Handedness: Ambidextrous
- Recommended uses: Writing, Note-taking
### Materials and protection
- Water resistance listed: Water Resistant
- Material listed: Cardboard
### Dimensions
- Dimensions listed: 14.5 x 13 x 1 centimetres
- Weight listed: 0.1 Kilograms
- Item diameter: 1 Centimetres
### Other details
- Age range: Adult
- Country of origin: Japan

## In the box

- 12 different coloured pens (Included)

## A good fit for

- Students and note-takers who want several ink colours in one set.
- People who prefer a retractable gel rollerball for everyday writing, journaling or office notes.

## Less suited to

- Buyers who need a single ink colour or a specifically confirmed waterproof ink specification.

## Customer feedback

Customer feedback highlights perceived good quality, vibrant colours and smooth, flowing ink. This aligns with the set’s stated multicolour format and gel rollerball design, which may matter for colour-coded writing. The ratings are mostly five-star but include some one-star ratings, so experiences are not uniformly positive and the available aggregate does not explain why.
- Positive themes: Customers describe the pens as good quality.
- Positive themes: Customers appreciate the vibrant colour selection.
- Positive themes: Ink flow is described as smooth and flowing.

## Frequently asked questions

### How many pens are included?
The manufacturer contents list says 12 different coloured pens, and the title describes a pack of 12.
### What is the tip size?
The title and feature copy specify a 0.7 mm tip. The technical details separately list the point type as Fine.
### Is the ink water-resistant?
The listing labels the ink water-resistant and describes it as fade-resistant pigment ink. These are listing claims, not independent verification.
### Are the pens retractable?
Yes. The listing identifies the pens as retractable.

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## Add-ons

- [Uni-Ball Signo Metallic Gel Pens, 0.8 mm, Assorted Colours \(8-Pack\) \| Bold, Smooth Writing, Fast-Flow Gel Ink, Comfortable Grip, Fade Resistant, Ideal for Arts, Crafts, Journaling & Note-Taking](https://bargainpostbox.co.uk/visit/uni-ball-signo-umn-155-07-multicolour-gel-pens)

## Images

![uni-ball Signo UMN-155-07 0.7 mm Multicolour Gel Rollerball Pens, Pack of 12 — 1](https://bargainpostbox.co.uk/i/_46e5M0m6G8GEHHI-UMhbYHC1I_KOZPGKrFH5q_AFy3nrkpNw9L4pRqgqSTrfI6iC9aLMSJKsaVxepK_bV-_WVhtJSUC2qBd-RLRJQLN7xicNaBu8vKeSeln.jpg)

![uni-ball Signo UMN-155-07 0.7 mm Multicolour Gel Rollerball Pens, Pack of 12 — 2](https://bargainpostbox.co.uk/i/YH0_-BYHsjvNJA4fI5ETyie4owiHz1rHQD-uDcqPgwmAo-6IRVlp_it5SKJ7AOBSLKPuO80CXxyb-ttm8LhGL6kgK9ZUvdiF072AIOL2BF3_FBazB3sIr09D.jpg)

![uni-ball Signo UMN-155-07 0.7 mm Multicolour Gel Rollerball Pens, Pack of 12 — 3](https://bargainpostbox.co.uk/i/Rq3R9Kf_z55tD7tCsGMV1IADrUdLXNYJjii7Lsa-pZz4S8Za6MigVZNH5iW0WsvW0X0e5XvkujyQ6sNCw6ynnoXxBOqu86sUB3IzNK9xBwL6WMizv4pWK1em.jpg)

![uni-ball Signo UMN-155-07 0.7 mm Multicolour Gel Rollerball Pens, Pack of 12 — 4](https://bargainpostbox.co.uk/i/Iar1cfRXZtf3Y9E4bIk3WAqAc65_Pzebii95uFaDWIEbgcAPeDBZo5p-OoXZM9ez5tqXWCsO8V50uYJr76zFYRUAq6nKFC_uhsBmKkEvyloa9oZgN88t_rHt.jpg)