Keep that griptape looking fresh with Black Diamond dirt remover gummy cube. Clean griptape not only looks better but it also performs better and keeps your shoes cleaner. Rub diamond dirt remover across griptape in long, Firm strokes. Cube measures 4.5" x 1.5" x 1.5". the diamond dirt remover is soft when warm and hard when cold, but it still works the same! it may not remove hardcore debris.