Amazon ahs the Rubie’s Unicorn Pet Costume w/ Light-Up Collar (XL) for $17.99 - $7.20 off at checkout = $10.79 with free shipping on orders over $25 or with Prime.

Amazon has the 32oz Nature's Miracle Supreme Odor Control Puppy Shampoo for $4.15 - 5% off with Subscribe & Save (can cancel at any time) = $3.94 with free shipping.