A series of tunnels with a 5MM or 4MM spring steel wire to help withstand the extra strain.
The tunnels come equipped with 18oz embossed PVC TRACTION-AID fabric.
The heavy gauge spring steel wire provides these tunnels with the ability to support extra weight
as shown in the image of this tunnel supporting a 100lb teeter totter without showing any strain.
610gsm 18 oz – 630gsm 18.5oz Teal Blue