16 Products. A great range of high clarity greeting card bags in our budget range. Made from crystal clear polypropylene - a stronger, higher clarity and cheaper alternative to cellophane - these bags will make any greeting card sparkle. Perfect for birthday cards, anniversary cards, Christmas cards, wedding cards, new baby cards, Valentine's cards, congratulations cards, get well soon cards... pick a card, any card! Available in 14 different sizes from 99mm x 148mm to 216mm x 305mm, each with a 25mm lip to seal. We also stock adhesive discs to seal the bags (or see our premium peel 'n seal range).