Our Small Parcel Cardboard Envelopes are available in brown or white and a range of sizes, all of which comply with Royal Mail’s size standards for small parcels. The range includes All Board Envelopes, ColomPac®, and MailJacket™ envelopes. All of our cardboard envelopes are recyclable and biodegradable, made from lightweight card to keep postage low while providing full protection for your items. Their peel and seal adhesive strip keeps packing quick and eliminates the need for additional tape.