The Chicco hook-on chair is compact and lightweight. It has a 3-point harness and double-locking clamps to securely hold your child. The red hook-on highchair fits tabletops up to 4-inches thick. A rubberized grip protects the table from scratches or other damage. The seat pad of this highchair can be removed and washed. This baby feeding chair can hold an infant up to 37 pounds and is suitable for children over 6 months of age. Its aluminum and nylon construction makes it durability. This portable hook-on highchair requires assembly.