**Product Specifications:**
**Brand:** Contigo
**Material:** 304 stainless steel
**Design:** Fun and cute design, easy one-handed operation for kids
**Features:** One-touch drinking, spill-proof lid, cute and practical cup sleeve
**Functionality:** Keeps beverages hot or cold, high temperature and corrosion resistance
**Safety:** BPA-free, easy to clean with seamless straw technology
**Leak-proof:** 360° leak-proof lid with built-in containment valve
**Additional Features:** Multi-functional cup sleeve design, pocket for tissues/cards, self-rebound dust cover
**Size:** 18.5*7.5cm
**Capacity:** 400ml
**Cleaning Instructions:** Rinse with warm water, soak in salt water, use a straw brush for detailed cleaning, air dry thoroughly
**Usage Tips:** Do not use with beverages over 50°C, do not put in dishwasher, be cautious of steam when opening, avoid pouring scalding hot liquids
**Common Questions:** Explains the presence of small bumps on the lid/straw and slight looseness of the dust cover
**Brand Story:** Contigo was founded in 1999, known for its one-handed operation design and leak-proof functionality, popular among kids and moms worldwide
Please note that the specifications provided are based on the information given and may vary slightly in the actual product.