I started using this after my child could sit up, and it was very convenient when eating out. I could watch over my child with peace of mind, and the adjustable length meant it worked well with various types of chairs (^ ^) Snoopy-patterned compact 2-way chair belt, washable and easy to carry. - Product Name: Snoopy 2-Way Chair Belt R - Target Age: 10 months - 4 years - Size: 55-70cm - Belt Length: 65-100cm - Width: 45-80cm - Material: Polyester Thank you for looking.