Features: These sponge replacement tips for sketch blending stumps, designed to outperform traditional paper blending tools through superior texture control and smooth transiting. Crafted from ABS sponge materials with tool frees installation, these art supplies feature wide compatibility across major blending stump brands while reducing frequent replacement needs. Ideal for art students, professional, and sketching enthusiasts seeking safe blending tools that maintain consistent performances during extended studio or intensive drawing workshops. Perfect for outdoor sketching, classroom demonstrations, and detailed charcoal work where storage and quick tip replacement enhances creative workflow efficiency. This essential drawing accessory set a must have for artists and art school supply set requiring mess frees transportation. Specifications: Materials: ABS Color: As The Picture Shows Package Weight: approx.100g Size: Mixed Size Package Includes: 1 Set of Sketching Sponge Tips note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!