the Catto Shower Timer is an Innovative Solution for Saving Water & Energy. with a 3.5-4 Minute Sand Timer, It Helps You Keep Track of Your Shower Time & Reduce Excessive Water Usage. the Timer Features a Suction Cup That Allows for Easy Attachment to Smooth Surfaces Such as Tiles, Making It Accessible & Convenient to Use. Start the Timer When You Begin Your Shower & Let the Sand Countdown Until It Runs Out, Reminding You to Wrap Up Your Shower. with Its Compact Design, the Catto Shower Timer is the Perfect Addition to Your Bathroom Routine & Helps You Save Resources While Promoting Eco-Conscious Habits. Minimum Quantities Apply.