a minimalist view of a black and white stress ball mockup, showcasing simple and soothing functionality for stress relief

stress ball mockup minimalist design calming relaxation relief office accessory tactile toy modern decor wellness focus anxiety playful soothing flexible ergonomic fidget management corporate gift promotional item soft sensory unique professional therapy black white dual color rounded shape zen tranquility simple aesthetics balance reduction texture visual appeal practical use product sphere symbol round object view showcasing functionality highlights sleek ideal inviting calm