To from Address Mailing Stickers:4.5" x 3.5" to from Address Mailing stickers,180pcs.Each sheet has 2 labels(To and From label).Sufficient quantity can meet your needs in shipping. High Quality:Self adhesive design.With strong adhesion,the label can firmly adhere to the email and is not easy to fall off. This post office mailing labels are different from other labels. Clear mailing labels separate the To and From shipping label, just put the blank Mail Address Label on the "From" part of the adhesive label, and leave the "Recipient" part of the label on the package. The to from Address Mailing stickers are separate in order to convenient to use.The colors are very beautiful,used as an address mark for packaging,envelopes,or boxes,as well as for gifts,greeting cards,or other stationery and office supplies.