Upgrade your Finnmark Trinity 4x4 Combination Sauna with the FD-4 Sauna Cushion, designed for optimal comfort and durability. Custom-fitted to match the bench layout of the FD-4 Full-Spectrum + Traditional Combination Sauna, this cushion enhances your relaxation by providing plush support and superior heat resistance. Built with marine-grade vinyl, it resists moisture, humidity, and daily use-perfect for both infrared and traditional sauna environments. With easy maintenance and a sleek, modern finish, this cushion transforms your sauna sessions into a more luxurious experience. Precision fit for the Finnmark FD-4 Trinity 4x4 Combination Sauna Made from premium marine-grade vinyl for durability and moisture resistance Comfortable, heat-tolerant cushioning designed for dual sauna environments Adds luxury and ergonomic comfort to your sauna bench Built to withstand high temperatures and humidity (1) Finnmark FD-4 Combination Sauna Cushion Compatible Model: Finnmark FD-4 Trinity 4x4 Combination Sauna Seating Capacity: Up to 4 Persons Product Dimensions: 17" W x 44" D x 2.5" H Dimensions are approximate and may vary slightly depending on production batch.