Jquery error

Hello!
I am trying to use your plugin on a woo-commerce website but i am getting an error: Uncaught TypeError: jQuery(…).iCheck is not a function

My wp is 4.6 and woof is 1.1.5.1.

Here is the link: http://turacoauto.ro/categorie-produs/covorase/

Could you please help?
Thank you!

https://ww.wp.xz.cn/plugins/woocommerce-products-filter/