Precision Hemming Made Easy: Features laser-cut marking holes at exact intervals (1/4" and 5/8") for precise fold measurements every time. The width ensures consistent, professional-quality hems on all fabric types, from delicate chiffon to heavy denim. Unmatched Heat Resistance: Made from industrial-grade silicone that withstands iron temperatures up to 230°C without damage. Stays cool to the touch immediately after pressing and does not stick to or scorch fabrics, unlike traditional metal guides. Compatible with all iron types, including steam irons. Curves in either direction, and even both at once—ideal for shirt tails. Use the holes to mark your position with chalk or an iron-off pen. Flexible Yet Stable Design: Provides stability during use while the flexible material easily follows both straight edges and dramatic curves. Non-slip surface grips fabric securely when pinned and works well with tailor’s hams for complex curved seams. Ergonomic & User-Friendly Design: Lightweight yet sturdy construction reduces hand fatigue during extended sewing sessions. Rounded edges prevent fabric snagging, and the smooth surface allows effortless fabric sliding when adjusting position. The flexible material can be rolled for compact storage in your sewing kit.