Warning Water + Electricity = Dead [Durable Metal Tin Sign]

One Size in Durable Aluminum:
• Size: 40cm wide x 30cm high (15.7" x 11.8")
• Pre-drilled holes for convenient hanging
• Lightweight Metal Sign is High-Quality and Eco-Friendly.

Or to hang it, you may prefer:
Double-sided tape, colored screws or colored cable ties, all sold separately.