Delta SI V Seat Our Self Inflating Seat Deluxe takes the classic Self Inflating Seat and unfolds it to create seat and back comfort. Use it as a 5cm thick cushioning seat, or unfold to create a backcountry couch when lounging against a log or boulder. Tech Specs Materials Fabric: 100% Polyester Inner Foam: 100 PU Valve: 100% TPU Valve Flap: 100% Silicone Thickness 3.8 cm | 1.5 in Specifications Weight: 96 g | 3.4 oz Packed Weight: 106 g | 3.7 oz Dimension: 40 x 3.8 x 30 cm | 16 x 1 x 12 in Packed Size: 8 x 8 x 8 cm | 3 x 3 x 3 in Length: 40cm | 16in Key Features Provides versatile back support when lounging, or a thicker cushioning when used as a sit pad Robust and durable 75D polyester base resists wear; soft-to-touch 30D stretch knit top fabric for comfort Our patented low-profile multi-function mini-valve provides fast inflate, deflate and easy fine-tuning Foam is cored to be lightweight and compressible yet still provides 5cm of premium cushioning when folded double Storage sack included Available Options Size Standard