The Thermos Funtainer Replacement Straws 2-Pack in Clear are designed for the Thermos F410/F401 model, suitable for kids aged 12 months and older. Made of silicone material, these spill-proof straws feature removable handles and are insulated to keep drinks at the perfect temperature. With a solid color pattern and a 12 oz size, these dishwasher-safe straws are perfect for young children who are learning to drink from a straw. The Thermos brand ensures quality and reliability, making these replacement straws a convenient and practical choice for parents on the go.