Professional quality modelling balloons as used by 'twisters' and 'benders' or simply balloon artists in bright neon colours which also fluoresce brightly under uv blacklight. Balloon modelling artists have been delighting people for years with their funky balloon art creations, go one step further with these uv reactive balloons to create some truly funky neon creations. These professional balloons by sempertex generally require inflation with a pump or balloon inflator, modelling balloons are of a thicker quality than standard balloons, to withstand the twists and turns and are therefore not suitable for inflation by mouth, and are too heavy to work with helium. Pack includes 100 balloonsmade from 100% natural rubber latex2 5cm diameter60 152cm lengthcontains a mix of pink, yellow, green, blue, orangethese balloons fluoresce under uv blacklight safety information children under 8 years can choke or suffocate on uninflated or broken balloons. Adult supervision required.