What applications are 3" x 3" square labels best for?

3" x 3" square labels are commonly used for product packaging on jars, candles, soaps, food and beverage containers, cosmetics, supplement bottles, candle lids, and packaging tops. The square format works well for branded labels with logos, circular layouts, and balanced product graphics that don't need to be constrained by landscape or portrait orientation.

Will these adhere well to glass, plastic, and cardboard packaging?

Yes, for most packaging. The permanent hot melt adhesive adheres reliably to corrugated cardboard, paperboard, glass, and most rigid plastics greater than 1" / 25mm in diameter. Apply at 50°F (10°C) or warmer; once applied, the labels perform from 5°F to 149°F (−15°C to 65°C). Not recommended for PVC surfaces, bottles 1" / 25mm or smaller in diameter, or direct food contact.

No. These are direct thermal labels — the printer's thermal head creates the image directly on the heat-sensitive label. Ribbons are only needed for thermal transfer printers.

Ecotherm 3" x 3" direct thermal square product labels — 4-roll case on 1" core, 75gsm matte white, perforated.

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Ecotherm 3" x 3" Direct Thermal Square Product Labels — 1" Core Rolls

Name: Ecotherm 3" x 3" Direct Thermal Square Product Labels — 1" Core Rolls
SKU: ECOTHERM14123-4
Price: 54.99 USD
Availability: InStock

EcothermSKU: ECOTHERM14123-4

Pack Size: 4 Rolls (525 Labels Per Roll - 2100 Labels)

Price:

$54.99

Stock:

In stock

Quantity:

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Width: 3"
Length: 3"

Label Size: 3" x 3"
Inner Core Of Roll: 1" Core Rolls
Print Method: Direct Thermal
Color: White
Material: Paper
Perforations: Perforated
Adhesive: Permanent Hot Melt
Labels Across: 1
Sold By: Sold By The Case

Ecotherm 3" x 3" direct thermal labels are 75gsm matte white paper labels with permanent hot melt adhesive, manufactured for square product packaging, retail-tag, and mid-size shipping applications and compatible with all major direct thermal desktop printers. Built for daily use across e-commerce, retail, warehouse, and industrial environments.

Specifications

Face stock: 75gsm direct thermal paper, matte finish, white
Adhesive: permanent hot melt
Liner: 60gsm white glassine
Configuration: single row, perforated, gap sensing, 1" core
Print method: direct thermal only — no ribbon required (not for thermal transfer printers)
Service temperature: 5°F to 149°F (−15°C to 65°C)
Minimum application temperature: 50°F (10°C)
Shelf life: 1 year at 73°F (23°C) / 50% relative humidity
Performance: loop tack ≥14 N; 90° peel adhesion ≥7 N/25mm
Test methods: GB/T 451.2, GB/T 7974, FTM2, FTM9

Common applications

Square product and packaging labels
Retail and gift packaging
Return shipping labels
Warehouse and inventory labels
Mid-size e-commerce accessory labels

Surface compatibility

Adheres reliably to corrugated cardboard, paperboard, glass, and most rigid plastics greater than 1" / 25mm in diameter. Not recommended for PVC surfaces, bottles 1" / 25mm or smaller in diameter, or applications requiring direct food contact (suitable for non-direct-contact food, medical, and cosmetic packaging).

Printer compatibility

Compatible with major direct thermal desktop printers including Zebra (ZD220d, ZD230d, ZD420d, ZD421d, ZD620d, ZD621d, GK420d, GX420d, ZP450), Rollo (X1040, X1038, X1036), MUNBYN (ITPP941, ITPP130, RW402B, P44S), DYMO LabelWriter 4XL, JADENS (JD-168, JD-268, JD-328BT, JD-468BT), POLONO (PL60, PL420, PL70E), iDPRT (SP410, SP420, SP450), Phomemo (PM-241-BT, D520-BT, PM-246S), Arkscan (2054A, 2054K, 2054N, 3044C), TSC (DA210, DA310), Citizen (CL-S521, CL-E321), Bixolon (SLP-DX420), and Godex (DT4x). For the full verified list, see the Printer Compatibility page. Not compatible with thermal transfer printers, DYMO 5XL or 550-series, or Brother QL-series cartridge printers.

Direct replacement for

These labels are a direct replacement for part numbers 10010030, RD-3-3-500-1, RD-3-3-890-1, DT33-14PDT, DT33-15PDT.

Shipping and ordering

Free shipping from Amazon's US fulfillment centers. Prime members can check out with Buy with Prime; the delivery date shown below the button is Amazon's live estimate for your address. Volume pricing applies automatically on case quantities — see variant options below for available pack sizes.

BPA-free and BPS-free: the white direct thermal facestock is independently tested by SGS (June 2026) with both BPA and BPS not detected — a confident choice where material safety matters.

What applications are 3" x 3" square labels best for?: 3" x 3" square labels are commonly used for product packaging on jars, candles, soaps, food and beverage containers, cosmetics, supplement bottles, candle lids, and packaging tops. The square format works well for branded labels with logos, circular layouts, and balanced product graphics that don't need to be constrained by landscape or portrait orientation.
Will these 3" x 3" labels fit my printer?: These 3" x 3" labels on 1" cores fit direct thermal desktop printers with gap sensing, including Zebra (ZD220d, ZD230d, ZD420d, ZD421d, ZD620d, ZD621d, GK420d, GX420d, ZP450), Rollo (X1040, X1038, X1036), MUNBYN (ITPP941, ITPP130, RW402B, P44S), DYMO LabelWriter 4XL, JADENS (JD-168, JD-268, JD-328BT, JD-468BT), POLONO (PL60, PL420, PL70E), iDPRT (SP410, SP420, SP450), Phomemo (PM-241-BT, D520-BT, PM-246S), Arkscan (2054A, 2054K, 2054N, 3044C), TSC (DA210, DA310), Citizen (CL-S521, CL-E321), Bixolon (SLP-DX420), and Godex (DT4x). For the full verified list, see our Printer Compatibility page. Not compatible with thermal transfer printers, DYMO 5XL or 550-series, or Brother QL-series cartridge printers. Set the label size and calibrate gap sensing if your printer was previously configured for a different size.
Will these adhere well to glass, plastic, and cardboard packaging?: Yes, for most packaging. The permanent hot melt adhesive adheres reliably to corrugated cardboard, paperboard, glass, and most rigid plastics greater than 1" / 25mm in diameter. Apply at 50°F (10°C) or warmer; once applied, the labels perform from 5°F to 149°F (−15°C to 65°C). Not recommended for PVC surfaces, bottles 1" / 25mm or smaller in diameter, or direct food contact.
Do I need a ribbon?: No. These are direct thermal labels — the printer's thermal head creates the image directly on the heat-sensitive label. Ribbons are only needed for thermal transfer printers.

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Ecotherm 3" x 3" Direct Thermal Square Product Labels — 1" Core Rolls

Specifications

Description

Specifications

Common applications

Surface compatibility

Printer compatibility

Direct replacement for

Shipping and ordering

Frequently Asked Questions

Payment & Security

Ecotherm 3" x 3" Direct Thermal Square Product Labels — 1" Core Rolls

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