Clobeau 78 Inch White Snake Plush, Realistic Snake Stuffed Animal, Lifelike White Snakes Toy for Kids, Soft Stuffed Snakes Plush for Halloween Christmas Birthday Present Party Prank Prop

You might want to check cosplay photos of https://www.amazon.com/Clobeau-Realistic-Stuffed-Lifelike-Animals/dp/B0C2HBL9ZC which is another listing for the snake, as it may be bigger than you're expecting. But obviously that's personal preference!