6 balloons are in a set; Every balloon has an insulation sheet; Get rid of the insulation sheet、 the balloon will have changeable light; Suitable for festival and wedding use; 3 x AG13 batteries (included).
Dimensions: 4.92 in x 2.17 in x 2.17 in (12.5 cm x 5.5 cm x 5.5 cm) Weight: 1.16 oz (33 g)