there is 30% off automatically applied at checkout
https://www.amazon.com/gp/product/B019W8WJQ8/?tag=cl03f-20&smid=ATVPDKIKX0DERhere's details of discount
This offer is available to Prime members only.
This is a limited time offer. Offer expires September 17, 2016 at 11:59 p.m (PT).
Offer only applies to qualifying products sold and shipped by Amazon.com.
Offer does not apply to digital content.
Offer good while supplies last.
Shipping charges may apply to discounted and free promotional items.
Offer may not be combined with any other offers.
Amazon reserves the right to modify or cancel the offer at any time.
Offer is non-transferable and may not be resold.
Offer discount will be allocated proportionally among all promotional items in your order.
If any of the products or content related to this offer are returned, your refund will equal the amount you paid for the product or content, subject to applicable refund policies.
If you violate any of these terms, the offer will be invalid.