1. Material: Mylar/Foil 2. Size: Any size according to clients' request 3. Shape: Round, heart-shape, star, cartoon, animal etc. 4. Feature: This foil balloon is made of Polyamide material. It is a perfect toy for kids and adults. It can be filled with helium or hydrogen. It can be self-sealed after being filled. Gas won't come out while blowing and the balloon will seal antomatically. 5. Usage: Advertising, party, wedding, decoration, promotion and all kinds of events and special occasions . 6. Packing Details: 50PCS/OPP Bag 2000PCS/CTN Carton Size:50*30*25CM G.W.:25KGS 7. All the balloons are double sided and self sealing.