The sleeve slides easily over the regulator. Everything fits very well. The only issue is that it's thicker than expected when the buttons on the controller are almost flush with the height of the A,B,X,Y buttons, which doesn't really affect the use of the controller unless you're actually using it play intensely, you need to click on it more consciously. In general I am satisfied with the product, the case is very pleasant to the touch and very soft.
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