REI Hydro Flask Beer Growler 32 oz (White & Citron) $35.73
REI [rei.com] has another deal for Hydro Flask Beer Growler 32 oz in White and Citron for $35.73
Not as good as the 64 oz but it is 20% off ($9.22) the original price.
Shipping is free on orders over $50 or $5.99 Standard Shipping.
Also, free pickup at a REI store near you.