50 Mixed Size Blue Mailing Bags, Self Seal Strong Waterproof Poly Plastic Envelopes for Parcels, Packaging, Small, Medium, Large Mail, Shipping Courier Delivery Bags 3 Sizes,

Strong Grey Mail Postage bags, ranging from Small to Large Fully opaque - items placed in the bag are not visible through the material High Performance 55mu bags, strong adhesive Small to Large Mailing bags 9 x 12 Inch 20 Pack / 10 x 14 Inch 15 Pack / 12 x 16 Inch 15 Pack High Performance 55mu Bags, Strong Adhesive Small to Large postage bags are very sturdy. You can use its full size or put something smaller inside and wrap the excess before sealing.