Support Plus... the world's first patented support system designed with added flexibility and comfort. Featuring dual semi-circle stainless steel supports, it enhances stamina! This durable, stretchy, and discreet enhancer measures 1.75" / 4 cm in diameter. Experience durable and discreet erection enhancement with the Support Plus system, prioritizing both comfort and endurance. Materials: Soft TPR (ring) and stainless steel (supports).