Clothing Pegs

Material A
Metals.

Appropriate disposal: recycling.

All metals are recyclable for they change form to be easily melted.

Material B
Wood.

Appropriate disposal: Recycling.

It will be turned into wood mush! That will then be used for various other products such as biofuel and recycled wood flooring.

Best Alternative
Keep using them! Hanging your clothes dry avoids using the energy that a dryer would and helps your clothes live a longer life.