Samo Gifts is a giftshop and sells this huge whale plush, up to 120cm in length.
The site has a sale on all products up to 40% off and does free shipping over around $40 (which means this whale plush qualifies).
The coupon code OZSAMO10 gives an additional 10% on top of the sale and can be applied at checkout.
Prices mentioned in this post are in AUD and can be selected at the bottom of the product page (or at checkout).
Here's the link to the deal:
Samo Gifts - https://samogifts.com/products/giant-whale-companion
And here's the link to the other cute plush products:
Samo Gifts - https://samogifts.com/collections/plush-companions