Features: Weighted design for submerged stability: The innovative construction allows the seat to remain fully submerged during use eliminating the floating sensation common with standard inflatable cushions. This weighted quality ensures you stay comfortably positioned at your desired depth throughout your soak. Quick drying breathable construction: The mesh bottom panel not only enhances comfort but also promotes faster drying after use helping to prevent moisture buildup and extending the life of the seat for repeated enjoyment in wet environments. Specifications: Material: PVC Color: blue Size: about 18.5 x 14.6 x 5.9 inches/ 47 x 37 x 15 cm Package includes: 1 x Hot tub booster seat Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays