A pack of 20 self-adhesive plastic bag most suitable for typical red packets of size Width<9.5cm X Length<19.0cm. For larger red packets, we have Width<10.5cm x Length<23.0cm. This cost $2.20 for every 20 pieces. This small quantity to validate its suitability before buying in bulk. Recommend to use it for protecting your red packets before inserting into sticky album.