Insulated vacuum sports bottle 1.0L cold water bottle cover, made of durable nylon. Cover only. Never used. - Brand: THERMOS - Model Name: HYDRATION Black Valencia - Capacity: 1.0L - Intended Use: For cold insulation - Internal Material: Nylon Thank you for viewing. The water bottle cover has been stored in a dark place at home without being used. Only those who understand that this is a used item are welcome to purchase.