Navy Blue Sempertex Plain Latex Balloons 30cm Uninflated product details: Ideal for a Birthday Party, Baby Shower, a Wedding & any other events Colour: Fashion Navy Blue Size: 30cm (11") Easy to blow up Round latex balloons Material: 100% biodegradable natural latex - not plastic Good quality personalised decoration Suitable for use with either air or helium Low burst rate. High elasticity and quality. Sempertex The World's Best Balloons. Sempertex latex balloons are made from 100% natural latex — not plastic. Sempertex latex balloons are 100% biodegradable and decompose as fast as an oak leaf in your backyard! (Please note that balloon colours may not be exactly as they appear on the screen, due to the settings of each individual computer screens.) Are you looking for Helium filled balloons? Are you in Adelaide? Please check our helium balloon decoration products here, Helium Balloon Decoration If you are from other states/cities (Melbourne, Sydney, Perth, Canberra, Brisbane, Gold Coast, Newcastle, Hobart, Darwin, Geelong, Sunshine Coast, Wollongong, Townsville, Cairns, etc...) you can buy or rent out helium cylinders from most craft shops in Australia. Environmental Care: Helium filled balloons should be tied securely to a balloon weight that will keep them from releasing into the air. Never releasing foil balloons into the air. Warning: Balloons are not toys. Children can choke or suffocate on uninflated or ruptured balloons. Adult supervision is required at all times. Please ensure uninflated balloons are kept away from children and discard ruptured balloons immediately. Always dispose of latex balloons properly. Latex balloons are made of 100% natural rubber latex and may cause allergic reactions.