1 Shell material: 100% cotton, 40x40/133x100TC, 60x60/140x140TC2 Filling material: Wahsed white duck/goose down/feather, high temperature disinfecting and down deodorant with lowest odor, oil and fat content.3 Technics: Double needle stitching(0.1-0.3cms) with Germany piping or self fabric piping.4 Feature: Anti-allergenic, anti-apnea.