Squishable Hermit Crab III Plush, Mini 7" This adorable plush is a cuddly treasure for crab and aquatic animals lovers 3 years and up, and it's the perfect size at 7" round. Plush is unbelievably soft, thanks to polyester fiber material that is perfect for hugs and snuggles. The look of a shell-swapping sea buddy and mini size combine for a freakishly cuddly plush toy.