It appears that the bottom of this Pokemon has been sewn at some point.

The Pokemon Turtwig 2017 Toy Factory Nintendo Large 18" x 13" x 8" Turtle Plush is a soft and cuddly stuffed animal featuring the beloved character Turtwig from the Pokemon franchise. With vibrant multicolor hues and a turtle design inspired by the popular animation and video game series, this plush item is a must-have for any Pokemon fan looking to add a touch of nostalgia to their collection. Made of plush material, this 2017 release by Toy Factory is a whimsical and adorable addition to any stuffed animal collection.