Round area dimensions: s/m is 9,5 cm l/xl is 11 cm. size sm is for size 75-80, size l-xl is for size 85-90. self-adhesive, reusable, advanced thin design, you can cut the wings if you wish. it is not machine washable or hand washable, it can only be cleaned by wiping with a slightly damp cloth. all of our products are made with confidential shipping so that the package content cannot be seen. returns and exchanges are not possible due to hygiene reasons. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.