Unisub White Square Edge Hardboard Coaster - 3.54" x 3.54"

Please note that the Unisub Gloss White Square Hardboard Coasters (UN4026) are now made from MDF instead of hardboard.

Elevate your drinkware accessories with customizable Unisub White Hardboard Square Edge Coasters. These 3.54" x 3.54" hardobard coaster blanks are designed for outstanding sublimation image results and feature a high-quality Unisub coating in gloss or semi-gloss. The square-edge design adds a polished touch, making it a stylish and functional choice for any setting.

Whether you personalize these sublimation coaster blanks for everyday use or a special event, such as a holiday, birthday, or wedding, your image will be vibrant, fade resistant and durable!

Key Features:

• Compatible with sublimation or toner heat transfer
• Available in a gloss or semi-gloss finish
• Sold individually or in a case of 40
• High-quality Unisub coating for vibrant sublimation results
• Durable hardboard backing for superior performance and longevity
• Square-edge design for a sleek, professional appearance
• Ideal for personalized gifts, promotional items, or event décor

Can hardboard coasters be used for hot and cold beverages?

Yes! Hardboard coasters with a high-quality coating work well for hot and cold beverages. A high-quality sublimation coating, like Unisub’s coating, will withstand the heat from hot drinks without warping.

What is the recommended temperature and time for sublimating hardboard coasters?

The time and temperature for sublimating hardboard coasters depends on the specific coating and press equipment used. Check out our tech tips for guidelines on sublimating Unisub hardboard coasters!