Ribena Squash receives high praise for its rich, bold blackcurrant flavor that many describe as nostalgic and refreshingly unique. Users appreciate the convenient slim carton size, ideal for on-the-go consumption, and the versatility of enjoying it hot or cold. The drink is noted for its strong taste and high vitamin C content, making it a family favorite. While the straw is mentioned as slightly impractical, and the dark color may stain surfaces, these are seen as minor points. Overall, it is viewed as a quality, flavorful beverage with a loyal fan base.