These Grateful Dead x Pulsar DabPadz Dab Mats are round, protective cushions with a fabric top featuring the officially licensed Grateful Dead Space Your Face design with iconic skull with an outer space design and a Grateful Dead logo. Made from shock-absorbent rubber, these pads gently protect any precious glass. The dab pads have an 8 inch (20.3cm) diameter with a 5mm thickness and a circular shape.