Eggbaby flexible wrap sling baby carrying shawl is produced in accordance with cen/tr 1615:2015 child product safety certificate in european standards. it has ce certificate. it is certified cotton, interlock fabric for your baby's gentle skin. it is produced with first class quality exclusively to our brand. our fabric has oeko-tex , iso 9001, iso 14001 certificates. our slings are recommended by doctors and are used in childbirth preparation training. it is a first class cotton fabric. it is sent with a product pouch for easy carrying, azar dye, lead and phthalate-free. since it is cotton fabric, it does not sweat and can be used in 4 seasons. how old is the sling kangaroo used: it can be used up to 15 kg from the birth of premature and newborn babies without the need for any additional apparatus. width: 55 cm height: 455 cm suitable for all body types. the closeness of your heartbeat soothes and calms your baby. the soothing womb-like environment and constant gentle rocking while being carried increase the feeling of calm and security. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.