Pack of 40 Piece Halloween Balloon Arch Kit. Kit contains: 10 x Latex Balloons – 30.4cm / 12 in; 15 x Latex Balloons – 22.8cm / 9 in; 15 x Mini Latex Balloons – 12.7cm / 5 in; 1 x Plastic Hanging Strip – 2.43m / 8 ft Instructions included. Balloon garlands come with all components to assemble at home. No helium gas required. Inflate with air using a balloon pump. Balloons delivered flat. Not suitable for children under 3 years old. Adult supervision required.