All SMALL - 16" back, 20" chest, 14" neck MEDIUM - 19" back, 22" chest, 15" neck LARGE - 21" back, 24" chest, 16" neck XL - 24" back, 27" chest, 18" neck XS Sale and Clearance Luxe - Premium quality high density fleece Plush - Soft and cozy, consistent weight and thickness Anti Pill - doesn't produce pilling with repeated washings Blizzard - Budget Friendly So Lush - Lightweight and sumptuously soft, and vivid crisp colors. Pure Posh - Lightweight and sumptuously soft 2XL - 27" back, 30" chest, 20" neck Summer Weight Black Friday Grab Bag Custom Dog PJs (all available fabrics) All Ready to Ship Belly Bands Preorder 3XL - 30" back, 32" chest, 21" neck