Based on this product's specifications, here are some alternatives and similar models
Heating Film Flashforge Creator 4 Silica Gel 30002098003 for 3D Printer Bed
Summary description:
Heating film designed for Flashforge Creator 4 3D printer bed, model 30002098003. Made with silica gel material, it provides uniform heat distribution for improved adhesion and reduced warping of printed parts. Intended as a replacement or spare part for the printer’s heated bed assembly to ensure stable printing temperatures and consistent print quality.