SPECS: 4.5 lb. pillow Packed Weight: 3.1 oz. / 88 g Packed Size: 4.5 x 3 x 2 in. / 11 x 8 x 5 cm Inflated Size: 20 x 14 x 4.75 in. / 51 x 36 x 12 cm Four-way stretch nylon DESIGN AND DETAILS: Minimalist offset I-Beam construction reduces weight and provides consistent stability and comfort Built-in advanced heat reflective technology Antimicrobial treatment inside the pillow prevents microorganism growth Four-way stretch nylon with high tear-strength, puncture resistance, and a soft-touch to provide a comfortable place to lie your head Fits in pillow pocket of Big Agnes sleeping bags Aviation grade TPU lamination technology for ultimate durability Minimalist low-profile, single port, two-way valve allows for quick and easy inflation and super-fast deflation ADDITIONAL DETAILS: Hand wash, air dry recommended Stuff sack included