30 latex balloons, round, crystal clear balloons, 30 cm, made from 100% latex. These wonderful, metallic shimmering balloons are perfect for decorations, signage, and more. Size: 30 cm. Production: in Europe, Partydeco. Material: 100% natural latex, non-toxic coloring. 100% biodegradable. Float time similar to that of a corn cob. Volume: not suitable for helium. Use: as decoration, etc. Suitable for air filling. Delivery: loose in a bag, empty, without closure. Storage: dark, cool 5-18°C, 24 months from the date of delivery. Tip: Inflate a 13 cm round balloon immediately yourself with our balloon pumps. Free tip: Regenerate latex balloons by placing them in a tumbler for 5 minutes. This can help restore latex balloons and make them more elastic again. Balloons should ideally be filled at room temperature to minimize the risk of bursting.