Specifications: Name: Portable Foldable Heated Seat Cushion Material: Oxford cloth Colors: Black, Gray Product Includes: 1pcs x Portable Foldable Heated Seat Cushion Note: 1.Please allow slight dimens error due to manual measurement.Thank you for your understanding! 2.Due to different monitors and different lighting, the picture may not show the actual color of the item.Thank you for your understanding. 3.If you encounter any problems when buying and using our products, please contact us in time, we will serve you 24 hours.Enjoy your shopping! Q1: Does the heated seat cushion include a power bank? A1: No. Heating requires a compatible external power bank, sold separately. Follow the supplied instructions for the required connection and output specifications. Q2: What are the three temperature settings? A2: The listed settings are low at 122°F (50°C), medium at 138.2°F (59°C), and high at 149°F (65°C). Actual warmth can vary with outdoor conditions. Q3: What size is the stadium cushion? A3: It measures approximately 15.7 inches long, 15.7 inches wide, and 0.8 inches thick. Compare these dimensions with your seating surface before ordering. Q4: Can I use it on damp bleachers? A4: Its water-resistant construction and waterproof bottom help protect against damp seating surfaces. Keep the power connection dry and follow the supplied instructions. Q5: How does it stay in place? A5: An elastic band helps secure the cushion to compatible seats. Fit depends on the chair or bench design, so check placement and stability before sitting.