Amazon has 8" Multipet Latex Hippopotamus Grunting Dog Toy (random color) for $3.97. -OOS Shipping is free w/ Amazon Prime or on $25+ or $35+ orders (minimum requirement varies by location).
Chewy also has 8" Multipet Latex Hippopotamus Grunting Dog Toy (random color) for $3.97. Shipping is free on orders $49+.