1. SAFETY AND COMFORT: The included bolster pillow can be adjusted , providing support for the neck and head while creating a sense of security. Give your dog a better rest. No deformation or collapse. The soft pearl cotton filling relieves joint and muscle pain, unlike other beds. 2. **Nonslip and machine washable**: The washable dog bed features an antislip design on the bottom to prevent slipping. Machine washable and ready to use after drying, saving you time on maintenance. 3. 4 SIZE OPTIONS: Available in 4 sizes. S (25.6 × 27.7 × 3.9 inches) suits puppies up to 7 kg; M (33.5 × 21.7 × 3.9 inches) fits dogs under 14 kg; L (39.4 × 26.8 × 3.9 inches) accommodates dogs up to 24 kg; XL (47.2 × 35.4 × 3.9 inches) is ideal for large dogs under 50 kg. Please choose the right size for your dog. 4. SOFT MATERIAL: Large dog bed made of quality polyester/polyester fabric. Colors A, B, C, and D use polyester fabric, while E and F use polyester fabric. All materials are machine washable, so you can choose .