The Protect-a-Bub USA Twin Sunshade Attachment easily ties to any canopied stroller or carriage and is made from specially woven 50+UPF rated breathable fabric, providing 98+% protection from the sun's rays and full air circulation. This product is ideal for parents who want both protection and complete visibility for their infants and toddlers. The Twin Sunshade Attachment provides shelter in both sunny and overcast conditions and reduces glare on sensitive young eyes. The mesh side vents/windows allow for 70% sun protection, cross ventilation and maximum viewing. The Twin Sunshade Attachment can be left attached to the stroller or folds away easily for storage.