I always reply:”It's cheap, it's easy to get, you may get them from internet.”
But that still baffle those friends who want to start DIY.
They asked:”Why don't you sell materials and Kit? "
And eventually I began to examine the case more closely.
Today I take photoes for these felt and I make the first felt kit for a friend.
100% Eco-fi Polyester Felt Fabric
Size:30 cm x 30 cm per piece (close to 12 in x 12 in)
Thickness: 1 mm