Amazon has the Venture Pal 32-Oz. Motivational Water Bottle (several colors) for $15.99 - $4.80 off with coupon 9YZOMH7J = $11.19 with free shipping on $25+ or with Prime. Features time markers, removable strainer, BPA free, carry strap, leakproof.
Has excellent Amazon Reviews.
Walmart has the Ozark Trail 5QT Cast Iron Dutch Oven With Handle (G2609-A01) for $18 with free in-store pickup or $6 shipping; free 2-day shipping on $35+. Retail price: $39.