IMAGINISCE-i-rock Hot Rocks Compact. With i-rock it's easy to add dazzle to all your projects! Use these hot-fix crystal accents to permanently add glitz and glam to fabric; paper; even furniture! This package contains one compact with 800 Hot Rocks crystal jewels ranging in size from 2.5mm to 4mm. For use with the i-rock Heat-Setting tool (sold separately). Imported.