These gorgeous Oh Baby Pink Party Balloons comes in gorgeous pink, ivory and chrome gold. made from: The Baby Pink Party Balloons are made from excellent quality biodegradable latex - the balloon choice of professionals. The balloons can be expected to last for a day. For best results we recommend you blow them up a couple of hours before your event so they can be enjoyed at their very best. The balloons are supplied flat packed and can be filled with air or helium.