100% Cotton ?Material:This organic cotton sleeping bag uses four layers of pure cotton gauze, 2.5TOG, so soft,Your baby will be very warm in this sleeping bag and will keep warm. ?Washing instructions:I suggest you wash sleeping bag by hand. Hand washing can keep the softness of the fabric. Your love for your baby is also reflected in this process.Each wash can make the sleeping bag softer and not deformed.Don’t bleach and dry at low temperature. ?Safe and Simple Design:Double ways zipper for easy wearing and changing diapers.Safety tab protecting Baby??s little chins.Roomy sack design allows baby to move more freely and sleep better.Sleeveless design reduces the risk of overheating. ?Size:70#Cloth’s length 28,For 3-6 Months.80#Cloth’s length 31,For 6-12 Months.90#Cloth’s length35,For 12-24 Months.100#Cloth’s length 39,For 2-4T. ?Our service:GOTS certified,OEKO-Tex 100 certified products, which means no harmful substance are used in the whole production.Every sleeping bag has been carefully inspected to ensure quality and safety.The design of the sleeping bag comes from American designers.You can buy a sleeping bag no worse than any brand for a lower price.At the same time,we offer 30-day money-back guarantee and 1-year quality warranty.We are at your service 24 hours.