These stretchy clear silicone wig caps give an ideal non-slip surface. They also help with fit if a wig is not quite the right shape or tightness. They are sized to sit on the pate of the head, but can be trimmed if needed.
Silicone wig caps are available in sizes:
3 - for Amelia Thimble and tiny BJDs
4 - for Barbie, Fashion Royalty, Puki Puki and 23cm BJDs
5 - for Sybarite, Tyler, Gene, Kinetic
6/7 - for CEDs, Ellowyne, Evangelines
7/8 - for Tonner American Models and Mini-BJDs
8/10 - for 60cm BJDs