Majestic Pet Replacement Insert - Pillow dog bed style Features: High-Quality Fill: Optimal comfort and support. Two options to choose from, Polyester Fiber or Shredded Memory Foam. Durable Liner Material: Covered in a durable liner material that enhances durability and longevity. Perfect Fit: Designed to fit standard majestic pet pillow dog beds perfectly. Supportive Comfort: Provides excellent cushioning and support for your dog’s comfort during rest and sleep. Breathable and Non-Allergenic: Made from materials that are breathable and less likely to trigger allergies. Retains Shape: Maintains its shape and support over time, ensuring consistent comfort for your pet. Convenient Replacement: Ideal for refreshing or replacing worn-out inserts in your pillow dog bed. Available in three different dog bed sizes: Medium: 30" x 40" x 5"Dogs 5 - 45 pounds. recommended Large: 36" x 48" x 7"Dogs 45 to 70 lbs. recommended Extra Large: 42" x 60" x 9"Dogs 70 lbs. and up