Thick fleece seat cover insert for warmth and comfort. Easily inserts into any BOB stroller seat, the Warm Fuzzy, with its thick fleece panel and padded quilting, adds warmth and comfort to your child's stroll, making it more enjoyable for both of you. It fits within the seat itself so it works well with both single and Duallie strollers. Features: Padded fleece panel for comfort Padded quilting for warmth Velcro straps secure it to seat