For now, maybe. But Lapras grows up to be around 8 feet, and I'm pretty sure they grow up kinda fast! She'll be all grown up before you know it.
Still, though, even when we're not around water, I think that when they're inside their balls it kinda becomes the environment that they find the most comfortable? I read somewhere that they're created to be attractive and comfortable for Pokemon, and that's why most weakened Pokemon don't break free from them when you try to catch them. When a Pokemon's weakened, they instinctively curl up to heal, and the ball's made to encourage them getting cozy inside of it.
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Still, though, even when we're not around water, I think that when they're inside their balls it kinda becomes the environment that they find the most comfortable? I read somewhere that they're created to be attractive and comfortable for Pokemon, and that's why most weakened Pokemon don't break free from them when you try to catch them. When a Pokemon's weakened, they instinctively curl up to heal, and the ball's made to encourage them getting cozy inside of it.