Starbucks + S'well Mint Green Siren Floral Water Bottle

This is a 17-ounce stainless steel reusable water bottle, a collaboration between the drinkware brand S'well and Starbucks. The piece features a light mint green or 'pistachio' powder-coated finish. A black and white line art illustration is prominently displayed on the front, styled like a teardrop or coffee bean. The graphic depicts an intricate floral pattern surrounding the iconic Starbucks Siren (mermaid). Physically, the bottle has a double-walled vacuum-insulated construction, characteristic of S'well's design, which is shaped like a classic cola bottle with a narrow neck and a screw-top stainless steel cap. The S'well logo and 'STARBUCKS' brand name are vertically aligned along the side. Condition-wise, the item appears to be in used but good condition, with a retail barcode sticker still partially visible near the base, suggesting it was sourced from a secondary market or outlet. There are minor visible scuffs near the bottom rim and some slight discoloration on the cap. The piece likely dates from the mid-2010s (approx. 2016-2017) when these collaborative series were highly popular. The craftsmanship is of retail-grade merchandise quality, utilizing high-grade 18/8 stainless steel.

Based on my visual examination of the 17oz Starbucks + S'well Mint Green Siren Floral Water Bottle, I have assessed its current fair market value. The item appears to be an authentic piece from the 2017 collaboration, characterized by the hallmark 'cola bottle' silhouette and the high-quality 18/8 stainless steel construction typical of S'well. The mint green powder-coated finish and intricate 'Siren' line art are consistent with corporate releases from this era. Condition-wise, I observe minor scuffs near the base and slight oxidation or wear on the stainless steel cap. The presence of a secondary market barcode sticker suggests it was previously resold, which slightly detracts from the 'new-with-tags' premium but confirms its retail origins. The market for Starbucks-branded S'well bottles remains stable among 'Starbucksiana' collectors and sustainable drinkware enthusiasts, though this specific colorway is relatively common compared to limited regional editions from Asia or Hawaii. Comparables for used but well-maintained collaborative S'well bottles typically range from $20 to $50 depending on the graphic desirability. This 'Siren' design is mid-tier in rarity. Valuation is limited because I cannot physically verify the vacuum seal integrity or inspect the interior for rust or odors. To fully authenticate the piece, I would need to perform a 'boil test' to ensure insulation functionality, examine the internal branding stamps, and verify provenance through original purchase receipts or seasonal catalog matches. For appraisal purposes, I am assuming the structural integrity of the vacuum seal is intact.