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Amazon [amazon.com] has 2-Pack 12-Oz BJPKPK Insulated Stainless Steel Wine Tumblers w/ Lid (A-Dark Purple) for $ 7.50. Shipping is free w/ Prime or on $ 25+ or $ 35+ orders (minimum requirement varies by location).
2-Pack 12-Oz BJPKPK Insulated Stainless Steel Wine Tumblers w/ Lid (A-Dark Purple) $7.50 + Free Shipping w/ Prime or on $35+