Silicone tips give a combination of control precision and fluidity that are uniquely inspiring. Allow for exciting textures marks and effects. Tips are nonabsorbent so they can be cleaned with a wipe and dried glue or paint can peel right off! Wide flat tips work like a spatula; use it to apply and spread even layers of paint or adhesive; evenly blends pastel charcoal and soft graphite. Wide extrafirm flat 2.5.