Features: PRACTICAL DOUBLE-ENDED DESIGN: This blending sponge pen features a practical double-ended design, with the larger pen's black tip for shadow side transitions, perfect for initial blending, and the smaller pen's black tip for working on details, the larger pen's black tip The white tip is Perfect for transitioning halftones to light and shadow edges or blending glossy surfaces, making your sketches more dynamic and visually appealing, and you can use smaller pen side details Sufficient Quantity: Pack includes 6 mixed tree stumps, available in 2 sizes; sufficient quantity for group activities in art classes, or as a useful addition to an art kit, ensuring you always have your pen handy while creating your RELIABLE AND COMFORTABLE MATERIAL: The sketch wiper pen is made of high-quality sponge, felt and ABS, the black tip is made of sponge and the white tip is made of felt, which helps blend different sides smoothly; Sturdy ABS shell ensures durability and grip Comfortable, long lasting and provides a pleasant experience Versatility: This blending sponge pen set is an Perfect and practical tool for art lovers, students or beginners; it allows you to blend and color easily and conveniently, creating beautiful gradients and shading in your artwork; this A pen suitable for most occasions, whether it's an art project, school assignment or hobby crafting. Specification: size: Larger pen: nib diameter approximately 0.47 inch /1.2cm, total length approximately 5.94 inch /15.1cm Small pen: tip diameter approximately 0.24 inch /0.6 cm, total length approximately 5.51 inch /14 cm Material: Sponge+Felt+ABS colour: As shown Package Contents: 1 set x blending stumps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.