Non potable / drinkable water warning sign Stickers are measured in 3.5×5 inch, 10 pieces totally. Safety And Warning Signs Stickers are waterproof, you can use it indoor and outdoor, it uses the symbol to warning people that the water is not clean and can not be drunk. Do not drink water warning stickers are in clear type an designs to make people seeing and reading our sign easily. Self Adhesive Color Coding Stickers are easy to peel and stick and they are in strong stickiness can be used for a long time. QUALITY CUSTOMER SERVICE: Any question about products or orders, please feel free to contact the customer service, we will try our best to solve the problem.