double end makeup brush

Can you tell me what type of bristles you use and how they are attached to the brush? Glued? Sautered? Both? What are the types of brushes you offer?
Thank - You
MelanieStyle:Flat Brush
Brush Material:Synthetic Hair
Handle Material:plastic
Used With:BLUSHER
Used With:FOUNDATION
Place of Origin:CN;GUA
Use:ALL
Items Per Set:2
Brand Name:DUcare
Product Name:DUcare Premium Quality Double End Makeup Brush Set 2PCS D01
Application:DUcare Double End Makeup Brush Set
Brand:DUcare
Use:Face
Set:2pieces
Sample:Available
Sample Time:3-5 working days
OEM:Support
Color:Gold
Package:Color Case