KreyNa Sensory Body Sock, 56" x 28" Sensory Sack Premium Sensory Sock Glow in The Dark for 9-12 Autistic Children, Good for Height: 52"-61" Large, Green Green-l is up for auction in Baby Products. The current bid is $4.50, 83% below the $26.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.