Check the listing for details. GOFIT ROLLER with ULTRA FIN CORE LIME GREEN 18 INCHES. Color: Green, Condition: Used, Made in China. Listed at 22.00 USD. Great condition. Will be sprayed with hospital grade disinfectant and dried, prior to packaging. Length: 18" Diameter: 5.5" From website: A great way to increase flexibility and speed up post-workout recovery is through trigger-point therapy or self massage. The GoFit 18" Go Roller is a great tool to awaken tired muscles, pre-workout and to help knead aching muscles, post-workout. - UltraFin Core prevents flexing and breaking of the inner core. - Holds up to 50% more weight than traditional “hollow” foam rollers. - Firmer, denser rolling for faster breakdown of fascia and lactic acid. - The same popular exterior patterns, allowing blood to quickly flood the muscle through the foam channels and speed up recovery. Patent Pending.