The medium collars are just the right size for older (3+ weeks), spaniel- breed pups and most newborn large-breeds with a neck size of 6" - 10". As the pups grow, they may need to move up to a Large Critter Collar.
Rainbow Ranch (solids or stripes): black, purple, red, yellow, pink, emerald
Spring Fling (solids or stripes): baby blue, lavender, lime, teal, orange, geranium
Vegetable Soup: blue stripe, USA flag(red/white/blue), Italian Flag(red/greenwhite), rainbow stripe, marigold, mauve
Please note that individual colors may be substituted without notice, depending on availability.