The product is made of high-quality sponge, which is soft and comfortable, not easily deformed, and can be used for a long time.
Product size: 4 cm/1.57 inches, hole diameter is approximately 0.7 cm/0.31 inches.
The product helps reduce muscle tension while ensuring comfortable writing and works with standard size pencils and pens, making it useful in school or the office.
How to use the product: When using, apply hand cream or similar lubricant to the mouth of the pen cover, then rotate the pen tip and insert it.
