| 摘要 |
A group of peel-off coupons is adhered on both sides of a thin release liner or liners. The release liner or liners are composed specifically to allow for the removable adhesion of peel-off label stock, and scored so as to be foldable. The liner or liners are stapled to a similarly-foldable protective cover for convenient and protected storage in booklet form. Thereby, a durable, compact coupon booklet of very high capacity is obtained. Also provided is a method of making double-sided peel-off coupon layers.
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