Flents Four Sided Splint (Medium). This splint has a rigid but moldable frame that allows you to shape the brace for your comfort. The splint fully encompasses your finger to help immobilize it and expedite healing. Key features of the Four Sided Splint (Medium) include, comfortable fit, tape free design. The product has a sturdy metal bracing that can be molded for your comfort and is built to last. About Flents: Flents has developed a line of innovative personal care products. Popular products include Insty Splint finger splints, sleep masks, hot/cold water bottles, ice bags and eye patches. Flents products offer simple solutions for at-home health and wellness needs.