1000pcs 80x30mm sealing label sticker for boxes security open void left if tampered removal proof water resistant vinyl tag

material: printed vinyl, removal proof, tamper proof, waterproof, tear resistant. purpose: package delivery safety indicator. tamper evident, can't be resealed, self voiding, for important documents or electronic devices, etc. instruction: if you see "void" or this label is broken, that means the box has been opened during shipping. refund guanantee: full refund will be made if the color or size or printing content or anything is not the same as we promised, just send us clear ps to prove it. we love our customers by trying out to do everything correctly and better than expected..syi