Tees: short-sleeve graphic pullovers with a round/crew neckline. Sweatshirts: long-sleeve crewneck pullovers.
Most listings recommend machine washing (wash cold is mentioned) and either tumble drying or hang drying as an alternative.
Most items are described as a regular fit and use a midweight fabric.
Yes. The product descriptions indicate the designs are officially licensed.
Most listings list cotton as the material; at least one specifies a 50% cotton / 50% polyester blend.
Listings state the graphics are printed in the USA (noting a Detroit facility) and describe them as officially licensed, printed on high-quality, durable fabrics.