each 120mm long

or any board too small for a standard-size marker to feel comfortable in hand

Blue sliding sleeve with slotted pressure-relief corner cuts prevents the block from snapping under sustained use

" a water-based black pigment that sets waterproof and fade-resistant within seconds of touching the page

Caran d'Ache Grafstone is a solid

amsterdam standard acrylic paint 20 ml 6 set general selection Skel each 120mm longAmsterdam Standard Acrylic Paint in 6 tubes of 20ml each foundational colors for learning color theory and building custom shades. The three primary colors plus white, black, and burnt umber give you the essential blocks for mixing an endless spectrum. Medium viscosity holds visible brush strokes while providing smooth coverage. Dries to satin sheen, water based and odorless. Waterproof, lightfast, and permanent once dry. 100% pure acrylic resin