This adhesive is an economical way to apply mess-free adhesive to your paper crafts! With no refills to change, it's mess and hassle free! The adhesive is acid free and archival safe. This package contains 72 ft. by 5/16" wide permanent double-sided glue tape. Imported.Details:Purple2" x 4.25" x 1" glue tape pen size0.3125" x 72 ft. glue tape sizeAcid freeArchival safe