Material: Plastic About this item: Package: There are 50 pieces empty empty bubble bottles in total,great accessories for your wedding, improving wedding atmosphere. Material:Empty bubble tubes are made from durable and safety plastic material,lightweight and compact,upgrade surprise for happy couple. Item Size:The size of the bottle wedding favour is 10.5*1.1cm/4.1x0.4inch, portable size to fit your wedding favour bags. Easy Use: These test tube bottles with heart-shaped bubble tubes are easy to use, just add fairy liquid and water and youll have bubbles. Application: Party bag fillers bubbles are perfect as party favors such as funny birthday, wedding decoration or kids children favor birthday party toys.