400 g. Absorbent cardboard.
The most practical disposable coasters are those made of cardboard. They absorb moisture from the cup or glass. Plastic coasters do not absorb moisture and it overflows and stains the table. At napki.com we have 2 shapes of coasters (round and square) and 2 colors (black and white). They are ideal for customizing with Deluxe printing (both colors) and Full Color Digital printing (whites only). They are also available in 2 different shapes, round and square with rounded tips. All of them 9 cm.
Available in the following sizes: