: Most sets found via creator rewards or online retailers like Miccostumes or RoleCosplay are made of polyester or spandex blends. They are usually lightweight and stretchy, making them "one-size-fits-most" but sometimes lacking in premium fabric feel.
The text you provided appears to be a specific notification or post title, likely from a platform like Patreon or a similar creator-subscription service, referring to a sent out as a reward.
: Often runs small or follows Asian sizing charts; it's vital to check specific measurements if a size chart was provided.