Attachment: Super Easy. Included are double-sided adhesive tape. Adheres very well! (On a roll, and for pre-cut corners.) The rubber material is very flexible and contained at burp really performed well. You have a little bit come in craft spirits, have ready scissors and off you go. Bonds come to the window sill edge which is made of marble. The color is not as bright as on the photo but do not mind us. Well, parents are and reach for such precautions. But also the other people I can edge protectors empfehlen- improves well-being at home. :)