Product material: felt+polyester Product color: gray Product size: coasters 10cm in diameter Package content: insulated coasters *12 1. Glass coasters are made of thick polyester felt. The quality is impeccable, and it is also very suitable for the room visually. This is a useful and necessary accessory that any family should not lack. 2. With a diameter of 10 cm, almost everything can be put on it, including glasses, bottles, cups and kettles. The thickness of 5mm is super stable, which can prevent rapid impression. Stains are not easy to find here. 3. Felt coasters and storage boxes are very practical. They are very good through boxes and save space. They are super stable and sturdy coasters, which work very cleanly, so they are also suitable for finer boards. 4. Felt coasters can protect delicate high-gloss paint and cups with hot contents such as coffee or tea from scratching. They are non-slip and easy to clean, and can also be wiped with a wet cloth. 5. The materials are neatly made. Coasters are very beautiful and strong in color, and neutral colors are suitable for all furniture and tables forever. Perfect for water bottles and coffee cups.