Underneath the Quick Start Guide is a black cardboard insert with a promo copy of Monster Hunter Freedom Unite in UMD format with special promo cover slip and plastic jacket. (esperino.com)
Cover the frame's cardboard insert with a flannel sheet (how cute to use hounds tooth with a hound silhouette!). (theinspiredroom.net)
A thick and hefty corrugated cardboard insert is mounted in a solid wood base tilted at just the right angle to provide your cat with the best stretching opportunities. (cathealth.com)