Laced Hair Silicone Lined Micro Beads  Laced Hair Silicone Lined Micro Beads/Rings are made with a protective, cushioned silicone lining. This lining allows the beads to be installed with maximum comfort for the client, as they are gentle on the natural hair. Silicone Beads lay flat to the head, allowing them to remain undetectable. Silicone Beads hold human hair very tightly after pinched and will not slide easily when wearing. No damage to human hair. The soft silicone lining is safe to human hair even when pinched very tightly Does not slide Package contains 250 beads 4.0mm x 3.4mm x 4.0mm