Made of 900D oxford fabric, our twin stroller wagon is pretty sturdy. Besides, we use strong and durable aluminum materials to strengthen the entire structure and ensure high durability. And it has high load-bearing capacity and can hold up to 44 kg. In addition, equipped with 4 wheels, our twin stroller wagon can keep extremely stable. And the wear-resistant and anti-slip wheels allow kids to ride on different sorts of ground. Besides, 5-point safety belt ensures babies safety. 100% open canopy and side shading can keep out the light and window while kids are sleeping. Apart from that, a cup holder, a basket, a tool bag and several storage bags allow users to storage items orderly. Gymax Twin Baby Double Stroller Wagon Push Pull Stroller Wagon Adjustable Handle Bar in Black