Twoinone bottle lid with straw function Purpose and benefit: Designed for children who drink bottled drinks, this cover helps reduce splashing and spilling while drinking. The lid can be converted into a straw function to further minimize mess for babies. Leakproof design: The cover features a special sealing structure that keeps the lid tightly closed, preventing liquid from spilling even when jostled or tilted. Versatile use: Suitable for various scenarios where children drink bottled drinks, helping to keep liquids contained in different environments. How to use: Switch between the standard lid mode and the straw mode as needed to suit the child's drinking preference and reduce splashes. Key attributes Function: Converts to straw mode; leakproof seal provides spill resistance Compatibility: Designed for children's bottled drinks Size: Not specified in the original description Material: Not specified in the original description Performance: Reduces splashing and spills; lid remains tightly closed Practical scenarios At home during meals or snacks, to keep liquids tidy On the go in a car, stroller, or travel setting to minimize mess In daycare, school, or playdates where children drink from bottled drinks