La Pietra Spugna Per Tecniche Umide Pezzi 2 17x7x1,5 Cm | Borciani E Bonazzi

the stone is a sponge for wet techniques borciani and bonazzi is a set of two pieces, each measuring 17x7x1.5 cm. this sponge stone is ideal for artistic techniques that require the use of humidity, offering excellent water absorption and release capacity. perfect for watercolor painting and other techniques that require precise management of humidity.