What are "Material" for and how to get them?

There are 2 types of materials:

1. Raw material

• Wood
• Metal
• Stone
• Cloth
• Leather
• Glass
• Rubber
• Ceramic
• Brick
• Plastic

2. Color dye:

• White
• Black
• Red
• Grey
• Orange
• Yellow
• Green
• Blue
• Brown
• Purple
• Pink

Materials used to craft and dye your Decor & Fashion. How to get them?

1. You can get Materials in the Voting feature (10 times per day).
2. When you help your friend clean their showrooms, you will get Materials.
3. After submitting pitch challenge you also get Materials as the rewards.
4. Fortune Kitty also has a lot of materials so, you can try your luck there.