Extra Small (1 - 10 lbs)

E.g., Yorkie, Chihuahua, Pomeranian, Maltese

Small (10 - 20 Lbs)

E.g., Shih Tzu, Pug, French Bulldog

Medium (20 - 50 Lbs)

E.g., Beagle, Schnauzer, Scottish Terrier

Large (50 - 95 Lbs)

E.g., Boxer, Bulldog, Cocker Spaniel, Doodle

Extra Large (95+ Lbs)

E.g., Retriever, German Shepherd, Rottweiler

Metal

heavy duty and rust resistant

Plastic

lightweight, waterproof, most suitable for smaller breeds

Wood

can offer more style variation

Fabric

lightweight and soft, popular material for playpens