Durafit Seat Covers, SN1-R2, 2004 Toyota Sienna 7 Passenger Van Complete 3 Row Minivan Car Seat Cover Set (Without Side Impact Airbags), in Beige, Automotive Twill Fabric 2004 Toyota Sienna 7 Passenger Van Exact Fit Seat Covers without side airbags. Front Captain Chairs with Adjustable Headrests and One Armrest Per Seat. Made For Seats NO Side Impact Airbags. Drivers Side has Knob Cutouts and Passenger Side Folds Flat with Plastic Tray On Back Middle Captain Chairs with Adjustable Headrests and 2 Armrests Per Seat Rear 60/40 Split Bench Seat with 3 Adjustable Headrests Color: Beige. Fabric: Twill is a durable flat woven material often used by auto manufacturers. A polyester based fabric, twill is very strong and is Teflon and UV treated to withstand stains and fading. We use US made automotive grade twill which is designed for use in vehicles.