Features: Portable straw cover: Designed specifically for infants and little children, with spill proof features that can accompany them from bottle feeding to easy drinking. Quality: Quality PP, environmentally friendly, safe and healthy, suitable for safe use by infants. Detachable: Double caliber design, detachable, easy to clean, suitable for most beverages and mineral water bottles, meeting different needs. Dustproof design: The portable straw cover adopts a flip type dustproof design, can prevent dust from entering the cover when used outdoors. Food grade silicone straw: The straw is silicone, soft, flexible to use, not easily deformed, comfortable and safe. Specifications: Component: PP+Silicone Color: yellow, green(optional) Type: with Belt, Without Belt(optional) Size: approx. 12cm/4.72inch Package Includes: 1 Piece Cartoon Sip Cup Lid note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.