Brady TL-PK-11 0.75" Width x 0.375" Height, B-351 Tamper Resistant Vinyl, Red on White Rectangle Seals, Legend "Warranty Void if Seal is Broken" (Pack of 480): Industrial Warning Signs: Amazon.com: Industrial &
Amazon.com: Brady TL-PK-13, 13805 0.375" x 0.75" Vinyl Void If Seal is Broken Label, Red on White, 5 Packs of 480 pcs : Industrial & Scientific