Sign Holder features a self-standing design for quick display on any flat surface. Slanted angle makes your sign easier to read to help ensure your message is seen. Easy-to-use design allows you to simply slide materials inside from the bottom for simple updates. Sign holder is designed to hold letter-size items.Sign Holder features a self-standing design for quick display on any flat surface. Slanted angle makes your sign easier to read to help ensure your message is seen. Easy-to-use design allows you to simply slide materials inside from the bottom for simple updates. Sign holder is designed to hold letter-size items.