I have 4 cavalier King Charles spaniels. These are the items we use with them!
I have four cavalier, King Charles spaniels.  I swear by this product as the one where they never get ticks or fleas!! 
K9 Advantix II Flea & Tick Spot-On for Dogs | Chewy
If you have a dog with skin sensitivity and stomach issues like I do, this is the brand for you. My dogs are allergic to chicken so we either get the lamb or salmon.  Their coats look amazing and no more upset stomach. 
PURINA PRO PLAN Adult Sensitive Skin & Stomach Salmon & Rice ...
Our pups have sensitive skin and an allergy to chicken. These treats are perfect and mini are the perfect size for my pups which are 20-24 pounds
Old Mother Hubbard P-Nuttier Dog Biscuits Mini
These bones are perfect for our smaller pups that are roughly 20 to 24 pounds. Keeps them busy for hours. 
Redbarn Small Filled Dog Bones, Peanut Butter - 4 Count
My pups love these bones!! They are safe and made from cheese. They are long lasting
Himalayan Dog Chew® | Cheese
My pups have the worst breath! These little treats definitely help! So good for their dental health
GREENIES Original Petite Natural Dental Care Dog Treats ...
If your dogs need a freshen up before you can get them in for a bath, these are for you. You can also use to wipe muddy paws!
Dog Grooming Wipes - Hypoallergenic Plant-Based Paw & ...