Sheet Labels
63.5 x 38.1mm No.21 White Self-Adhesive Sheet Labels (100 Sheets/Box) — Product Overview
These white self-adhesive sheet labels are supplied in a convenient box of 100 sheets and are formatted as a “No.21” layout (21 labels per sheet). Each individual label measures 63.5 x 38.1mm, making this format a popular choice for clear, consistent identification across a wide range of workplace and home labelling tasks. Designed for use as sheet labels, they’re ideal when you want neat, repeatable results and the efficiency of printing multiple labels at once.
Whether you’re organising stock, preparing outbound parcels, labelling files, or creating product identification labels, this 21-up sheet format helps you produce professional-looking labels with minimal effort. The white face material provides strong contrast for text and barcodes, supporting legibility and tidy presentation.
Key Features
63.5 x 38.1mm label size
A versatile rectangular label size that suits many everyday identification needs—large enough for clear text, codes, and short descriptions while remaining compact for smaller items.
No.21 layout (21 labels per sheet)
A practical multi-label sheet format that lets you print batches efficiently. This layout is commonly arranged as 3 columns by 7 rows on a standard sheet, helping you standardise your labelling process.
White label face for high readability
The white surface is well suited to crisp printed text and scannable barcodes, supporting a clean, professional finish for office, retail, and warehouse environments.
Self-adhesive convenience
Peel-and-apply labels help speed up workflows compared with glue-applied alternatives, making them a dependable choice for routine labelling.
100 sheets per box
A handy pack size for regular use. With 21 labels per sheet, this equates to 2,100 labels per box, supporting ongoing operations without frequent reordering.
Sheet label format
Ideal for users who prefer printing multiple labels in one run and storing unused sheets neatly until needed.
Key Features (Bullet Summary)
- Label size: 63.5 x 38.1mm
- Format: No.21 (21 labels per sheet)
- Colour: White
- Type: Self-adhesive sheet labels
- Pack size: 100 sheets per box (2,100 labels total)
Typical Uses
- Addressing and dispatch: parcel identification, return addresses, routing labels
- Warehouse and stock: shelf labels, bin labels, pick-face identification
- Office organisation: folders, files, archive boxes, document control
- Retail and product ID: product labels, short descriptions, internal tracking
- General organisation: storage boxes, equipment tags, household labelling
63.5 x 38.1mm No.21 White S/A Labels — Full Product Guide Introduction
If you’re looking for a dependable, repeatable label format that balances space and efficiency, the 63.5 x 38.1mm No.21 sheet label layout is a strong all-round option. The combination of a clear white face and a 21-up sheet arrangement supports tidy printing, quick application, and consistent results across many labelling scenarios.
How It Works
These are self-adhesive labels supplied on sheets. You print the information you need (such as names, codes, locations, or barcodes) onto the sheet, then peel each label from its backing and apply it to the target surface. The multi-label sheet layout is designed to help you produce batches of labels efficiently—particularly useful when you need many labels with similar formatting.
For best results, match your print setup to the No.21 layout so text aligns cleanly within each 63.5 x 38.1mm label area. This helps avoid wasted sheets and ensures a professional finish.
Materials and Construction
This product is a white self-adhesive sheet label. The white face material is intended to provide strong contrast for printed content, supporting readability for both people and scanners. The labels are supplied on a backing liner that allows easy peeling and controlled application.
Because sheet labels are stored flat and dispensed from the sheet, they’re convenient for users who want to keep label stock organised and protected between print runs.
Print and Layout Guidance
The No.21 format indicates 21 labels per sheet. This is a widely used layout for general-purpose labelling and is often arranged as 3 labels across by 7 down. When setting up your print job:
- Confirm your template matches the 63.5 x 38.1mm label size and 21-up layout.
- Run a test print on plain paper first to verify alignment before printing onto label sheets.
- Keep designs simple and high-contrast for best legibility (especially for barcodes).
If you’re printing variable data (e.g., sequential numbers or product codes), the sheet format can be especially efficient when paired with mail merge or database-driven printing.
Surface Compatibility
Self-adhesive labels generally perform best on clean, dry, smooth surfaces. For consistent adhesion and a neat appearance:
- Apply to surfaces free from dust, oil, and moisture.
- Press firmly across the label to ensure full contact, especially at edges.
- Avoid applying over heavily textured materials where full contact is difficult.
If you’re unsure about suitability for a particular surface or environment, it’s good practice to test a label first under real conditions.
Health and Safety
These are general-purpose self-adhesive labels intended for identification and organisation. Store label sheets in a dry place and handle carefully to avoid paper cuts from sheet edges. If labels are used in regulated environments (for example, where specific durability or compliance requirements apply), confirm that the label material and print method meet your internal standards.
Ideal Applications and Use Cases
This label size and layout is commonly chosen when you need a balance between information space and efficient sheet usage. Typical scenarios include:
- Inventory and location labelling: bin locations, shelf markers, stock identifiers
- Document and archive management: file spines, archive boxes, reference codes
- Dispatch operations: internal routing labels, carton identification, handling notes
- Asset identification: equipment IDs, ownership labels, inspection reminders
The 63.5 x 38.1mm format is particularly useful when you want labels that are easy to read at a glance without taking up excessive space.
Maintenance, Cleaning and Care
To keep label sheets in good condition and reduce print issues:
- Store flat in the original packaging to protect from dust and humidity.
- Avoid bending sheets, which can affect feeding and alignment.
- Keep away from heat sources and direct sunlight to help maintain label quality.
Once applied, labels should be kept as clean as practical for readability. If labels are used in areas where surfaces are regularly wiped, test your print and label combination to ensure the printed content remains clear.
Case Study (Example Workflow)
Scenario: A small warehouse needs to improve picking accuracy and speed.
Approach: The team prints location labels in batches using the No.21 sheet layout—each label includes a location code and a barcode. Labels are applied to shelf edges and storage bins.
Outcome: Standardised label sizing and consistent placement make locations easier to find, while barcodes support faster scanning and fewer picking errors. The 100-sheet box format provides enough stock for ongoing updates and expansions.
Who Is It For?
- Offices needing tidy file and archive labelling
- Warehouses and stockrooms managing locations, bins, and inventory
- Retail teams creating internal product identification labels
- Schools and facilities organising equipment and storage
- Home users who want a clean, consistent labelling system
Colours / Features Available
This listing is for white self-adhesive sheet labels in the No.21 layout. If you require alternative colours or specialist label materials, check the wider sheet label range to match your application needs.
Sizes Available
This product format is specified as 63.5 x 38.1mm labels in a No.21 (21 per sheet) layout. Sapphire product pages may represent a family of related options; if you need a different label size or a different number of labels per sheet, browse the sheet label category to find the closest match for your printer setup and application.
Quick reference: 21 labels per sheet x 100 sheets per box = 2,100 labels per box.