Stanley has secretly dropped a brand new cup as part of its Black Chroma collection, with some stans suggesting it looks like a stylish “oil slick.” Over the last few months, construction worker staple Stanley has become the must-have item. Though the brand has a lot of products to choose from, the Stanley Quencher h2.0 is undoubtedly the most popular. @hennessysbx Stanley Black Chroma Collection 🖤 #stanley #oilslick #stanleytumbler #viral ♬ Tacata – Tiagz The latest Stanley fascination has arrived The Chroma Collection sees the brand’s signature Quencher get a very chic makeover. The entire b…