Abstract: A recreation area boundary and safety restraining barrier device and kit therefor is disclosed. The device includes a net having first and second edges, resilient net supports disposed near at least one of the first or second edges of the net for supporting the net, and support posts mounting the net in a substantially vertical orientation such that either the first or second edges thereof is in close proximity to the ground such that objects contacting the net are prevented from passing between the either first or second edges of the net and the ground. A kit is also disclosed containing at least two support posts, a length of netting material, and a length of resilient cord attachable to the netting material and the at least two support posts. The kit may further include at least two support post receiving sleeves.