Amazon has the Fisher-Price Sit-Me-Up Floor Seat (Frog, BFB07) for $26 with free shipping. List price: $40. Features upright seat for sitting and playing, soft, supportive seat pad, wide and sturdy base. Has excellent Amazon Reviews.
Walmart has it for the same price.
Amazon has the 3-Pack of 270-Count Playtex Diaper Genie Refill for $15.99 - 5% off through Subscribe & Save - $3 off with coupon (Clip Coupon) = $12.15 with free shipping. Features 7 layers that work together to help lock in diaper odors & messes, works with Diaper Genie Elite, Essentials and "Mini" Diaper Pails.
Has excellent Amazon Reviews.