Personalized bamboo coaster with built-in bottle opener and magnet. The coaster is made from high-quality bamboo and has a diameter of 65mm and a thickness of 11mm. It features a convenient bottle opener that is integrated into the design, allowing you to easily open your favorite beverages. The coaster also has a magnet on the back, so you can easily attach it to your refrigerator or any other magnetic surface. This bamboo coaster is not only functional but also eco-friendly and stylish. It can be personalized with your own custom design or logo, making it the perfect promotional or gift item.