Each of the coasters is made of synthetic fiber felt. It is lightweight, convenient, heat-insulating and anti-scalding. Able to absorb water to protect your desktop from erosion. The coaster ideal for homes, bars, restaurants, coffee shops and so much more. It can be customized to your liking-include an imprint of your company logo on the round felt coaster, message and more for increased brand visibility. Measuring 3.93 inches, this custom customized eco-friendly absorbent insulated felt coaster. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Portable, durable, practical for daily use.