שרוול כוס סיליקון בידוד חום כיסוי כוס קפה כיסוי כוס קפה קרמי שרוולי בקבוק מונע החלקה שרוול ספל צבעוני

This product doesn't do what it is designed to do. It heats up same as the cup, so it's of no use

This product doesn't do what it is designed to do. It heats up same as the cup, so it's of no use

Excellent cuff for a glass (it fits a standard Gzhel cuff). The color is a little translucent, I like it (if I had known that I would have ordered the same for a blue glass, not blue)