Adaptable Design: This flexible silicone cover fits both 55mm and 60mm containers due to its stretchable properties Solves multi brand compatibility issues for household, workplace and outdoor use without requiring additional covers Attachment Loop: Features a secure fastening point that keeps the cover firmly in place, avoiding accidental detachment Maintains proper positioning during daily use Quick Installation: Designed for effortless setup without tools, this elastic cover attaches instantly Ideal for busy individuals and home organizers seeking a practical solution Leak Resistant Seal: Premium silicone forms a snug barrier against spills, maintaining contents dry Great for school, exercise routines and travel purposes Safe & permanent Construction: Made from food grade silicone that ' secure and neutral scented, offering a loyal option for families, including children and those focused on wellbeing