2 × 18-Count Purina DentaLife Daily Oral Care Dog Sticks (Large Chews)

Amazon [amazon.com] has 18-Count Purina DentaLife Daily Oral Care Dog Sticks (Large Chews) 2 for $15.88 - $3.90 - 20% (multibuy discount) - 5% when you check out via Subscribe & Save = $9.59.
Shipping is free with Prime or on $35+ orders.