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Unveil style and science with the CocoSmile Shell Tumbler – where coastal elegance meets cutting-edge insulation! Engineered with a medical-grade 316 stainless steel interior and resilient 304 stainless steel shell, this 500ml vacuum cup boasts 5-layer thermal lock (304 shell + vacuum layer + 316 core + electroplating + pearl coating) to maintain icy chill for 24 hours (≤10°C) and steamy heat for 24 hours (≥57°C) at 20°C ambient.
Designed for the modern explorer:
✅ 360° Leakproof Seal – Stays sealed upside down, perfect for cars, backpacks, or flights.
✅ Wide Duckbill Straw – Ideal for boba, iced coffee, and smoothies.
✅ Seashell-Inspired Colors – Mornii Sky Blue, Coco Stille, Seashell Coast, Peach.
✅ Premium Shell Details – Scratch-resistant pearl paint, anti-slip base, and detachable PVC handle.
Proudly Made in China with food-grade silicone/PP. Fits all cup holders (185×93×91mm, ±3mm).