Reputable brands will explicitly state the materials used (e.g., "100% Medical Grade Silicone").
Here is a blog post tailored for an adult industry blog or a lifestyle publication, focusing on the "extra quality" found in genuine, ethical filmmaking.
Higher-end motors are engineered to be discreet. A hallmark of extra quality electronics is the ability to provide deep, powerful sensations without the loud, mechanical drone associated with cheaper toys. Environmental Impact
If you’d like more help choosing the right material, let me know: What are you making?
Store items in individual lint-free pouches to prevent them from picking up dust or reacting with other materials.