For theater professionals, lighting technicians, and stage crews - this City Theatrical gel frame is exactly what you need for safe, reliable color filtering. The 7.5 inch size (actually measures 6.25 inches) fits standard lighting equipment perfectly. The flame proof construction is crucial for stage safety - you can use this with hot lights without worrying about melting or fire hazards. Made from durable fibre material that holds up to the demands of repeated use in theatrical environments. Whether you're creating mood lighting for a dramatic scene, color effects for a concert, or just need reliable color filtration for any production, this frame delivers professional-grade performance. City Theatrical is a trusted name in the industry, so you know you're getting quality that meets theater standards. The frame holds gel sheets securely in place while allowing for easy changes between scenes or productions. No more worrying about gels slipping out of position or deteriorating under heat stress. This is one of those essential backstage items that might not be glamorous, but without it, your lighting design just doesn't work properly. Stock up on a few of these - you'll always be glad you have them when you're setting up for a show or dealing with last-minute lighting changes during tech week!