The belt works best when it is snug. The size is correct when the ends close only half-way. The fastener has an extraordinarily strong grip and takes a strong pinch to close securely.
 
*This custom made mobility tool for toddlers is currently being sold at a highly subsidized rate because of gifts from generous donors who are seeking to improve the capacity of toddlers and preschoolers born blind and mobility visually impaired to walk independently with safety.