Meet our Maxi-Cosi Tanza i-Size The multi-age car booster seat that grows with your little one while also offering the convenience of compact folding for easy storage and portability. Tanza i-Sizes integrated G-CELL Side Impact Protection provides peace of mind, while secure ISOFIX attachments mean you can have confidence through years of use. With Tanza i-Size, you can rest assured that your child's comfort and safety are taken care of, from as early as 3.5 years old (100cm) up to 12 years old (150cm).Safety The child car seat is designed with integrated G-CELL Side Impact Protection technology and meets the highest, European i-Size safety standards, providing that extra layer of security. Additionally, the fabrics are produced without the use of hazardous chemicals, meaning that your childs skin is not exposed to any potential risks.