Friendsheep
Plastic-free through and through: the balls are 100% organic wool, needle-felted with no synthetic core, patterned versions use azo-free (non-toxic) dyes, and the packaging is a cotton bag rather than plastic. Cruelty-free sourcing is part of the pitch.
How clear are their specs?
States 100% organic New Zealand wool, needle-felted, no synthetic core, and names the azo-free dyes used on patterned versions - with an undyed white option for dye-avoidant buyers.