The Baby K’tan ACTIVE is made of a breathable hi-tech performance fabric that wicks away moisture and sweat, blocks over 90% of the sun’s harmful UVA and UVB rays, and provides a unique temperature control. - Ergonomic positioning for healthy infant development. - Evenly distributes weight across back and shoulders. - Double-loop design slips on like a t-shirt. Sizing Calculator: Please visit Baby K’tan website at below link to calculate the best suitable size for you. babyktan . com / sizing We are authorised Baby K’Tan Reseller in Malaysia. Material: 100% Polyester Positions: 6 Positions, from birth and up Weight Limit: 8-35 lb. (consult pediatrician for preemies) Machine Washable: Yes Matching Sash Included: Yes