Clear Packaging Where Online Can I Buy Clear Plastic Bag Packaging, Which R Used For Clothes Specially In Asian Markets/stores

Where online can i buy clear plastic bag packaging, which r used for clothes specially in Asian markets/stores - clear packaging

These are the bags with crystal clear water, often sealed ... You know the type when you go to the people in China and buy a polo shirt, in a thin, transparent bag sealed / package ..
I really appreciate whoever can help me that ..