Excerpt: Product SL808F Red Key FeaturesStroller TypeStandardNumber of SeatsDouble / Twin ... I had a used tandem before this one and it was such a pain to use that I would avoid going out. Well, when you are... We purchased this stroller for our infant twins. After “test-driving” several other models including Peg-Perego, MacLaren, Combi and Graco, we chose the Zooper. It is heavier when folded than other side by side models, but not as heavy as the front-back ones we tried.