DURABLE & STURDY: This 420 ml tumbler is made of premium 304-grade Stainless Steel inner and 201 Grade Outer. This is rust-proof, scratch-resistant with a 304-grade stainless steel straw. FUNCTIONALITY: This sipper measuring 14 Cm (H) x 8.7 Cm (W) x 6.2 Cm (D), fits perfectly into most car or bag cup holders, making it versatile. It comes with a stainless steel straw for easy sipping. INSULATED: This tumbler with lid is vacuum insulated and keeps your beverage hot and cold for up to 6 hrs. EASY TO CLEAN: The tumbler with lid has a wide mouth which aids in cleaning after every use. QUALITY-TESTED: This tumbler with straw has been tested by the French company Bureau Veritas for Heat loss and Toxic elements. Stay refreshed on the go with this premium 550 ml plastic tumbler with a silicon straw. The sipper is made of premium-quality polystyrene plastic for durability, and the scratch-resistant outer body has a special rubberized coating that gives it a soft texture. The high-quality finish on the exterior promises a condensation-free outer body, which means no slippery surface & a clean look. The tumbler comes with a lid & a silicon straw that ensures no rattling sounds & is safe to use for all age groups for easy sipping. The beautiful olive colour, the sturdy, non-slip feel, & the balanced center of gravity make this tumbler a stylish and functional accessory for your travels. Measuring 19 cm (H) x 10 cm (W), it fits in most car and bag cup holders, and the wide mouth makes for easy cleaning. The tumbler can be paired with coordinating products from the Anko range listed on Amazon to complete your collection.