From the manufacturer: 100% Australian Sheepskin Footmuff, WARM, WATER RESISTANT, and WIND PROOF DESIGN. Luxuriously Soft, Natural Temperature Control Provides warmth and comfort outdoors in winter, spring, and fall weather Removes Moisture from Baby - No Sweating! Size 6-36 months. Universally fits all 5 point and 3 point strollers. New in bag