Horse hair? small mattress (Ringwood BH24)

This mattress was on a futon saved for years in plastic in the loft. It has been shortened and sewn together…. Not suitable for outside just put on here to show in the picture. it’s heavy, good quality ideal for a small indoor seat if a cover is made or for a put up bed for a child.
Measurements approximately 4’ x 3’4”
Something must’ve been spilt on corner but all seems clean and does not smell
Needs collecting fast as just putoutside cannot be in rain