Come and see our amazing products. Writing a time mark can help you maintain the habit of drinking water on time every day. It's perfect for measuring your daily intake, reminding you to keep hydrated and drink enough water throughout the day. Any fitness goal must be met, including weight loss, appetite control and overall health.Food grade silicone material, durable, fall proof, fashion lanyard, gradient color element design. Pls confirm with us about the packing info, stock color and exact production time before placing your order.