You don't say which mk ZS however, have you checked the owner's manual? Page 304 of the mk2 english manual:
"Tyre/Snow Chains
Unsuitable tyre/snow chains may damage the tyres, wheels, suspension, brakes or bodywork of your vehicle.
Please pay attention to the following requirements during usage:
- The tyre/snow chains can only be fitted on the drive wheels;
- The thickness of tyre/snow chains must not exceed 15mm;
- Please always observe the installation and tension instructions for the tyre/snow chains, as well as the speed limits of different roads;
- Do not drive faster than 30 mph;
- To avoid the tyre damage and excessive wear of the tyre/snow chains, the tyre/snow chains must be removed while driving on the road without snow.
- For this vehicle, the only specification of wheels and tyres that will support tyre/snow chains are as follows:
Wheel rim size: 6.5J×16 Tyre size: 205/60 R16"