REGULAR SPECS: Dimensions: 13.4" x 19.4" x 4.3" Packed Dimensions:2.8" x 3.3" Weight: 2.8 oz. LARGE SPECS: Dimensions: 16.5" x 11.8" x 5.1" Packed Dimensions:3.1" x 3.3" Weight: 4 oz. DESIGN & DETAILS: Inflatable pillow Light and packable design Inflates with a few breaths and can be adjusted with multi-functional valve Curved baffles comfortably fit head Scalloped bottom edge centers pillow any way you choose to sleep Synthetic fill provides air flow Includes Ultra-Sil stuff sack Materials: 20D Pillow Lock(TM) compatible 20D polyester fabric