Therm-A-Seat E-Series Bucket Seat Realtree 3 in. Flat-top Design: Offers a comfortable seating experience, doubling as a thermal barrier;Universal Fit: Compatible with any standard 5 or 6-gallon bucket;360-Degree Swivel: Allows for noise-free rotation, providing versatility and ease of use;Ease of Maintenance: Features an easy-to-clean surface with a removable and washable cover;Heated Seat Function: Includes a USB-powered heating element for added comfort in cold weather;Portable: Easily transported and attached to various bucket sizes for different outdoor activities