Most listings identify polyester as the material. Many specify 100% polyester or 100% recycled polyester in the product details.
The glow is photoluminescent: the material 'charges' when exposed to light and then emits an eerie glow in the dark. Listings describe the glow as charging quickly under light and note that it does not require batteries.
Many styles use zipper closures—often a front half-length zipper—and some listings include an attached hood or a hooded neckline for added coverage.
No. The glow is produced by photoluminescent material that charges in light and then glows in the dark; listings explicitly note 'Battery: No Battery Used.'
Listings position these outfits for Halloween and related events—Halloween parties, family costumes, festivals, themed parties, birthdays, and sometimes even Christmas.
Listings describe these garments as durable and commonly made from polyester. At least one listing specifies a midweight fabric. Durability and fabric weight vary by item—see the product description for exact details.