3470 postal security seal products are offered for sale by suppliers on Alibaba.com, of which mailing bags accounts for 12%, adhesive paper & film accounts for 1%, and packaging labels accounts for 1%.
A wide variety of postal security seal options are available to you, such as stickers, craft and perfume.You can also choose from vinyl, pvc and plastic postal security seal,As well as from waterproof, scratch off postal security seal,And whether postal security seal is custom sticker, {2}, or {3}.