... 3soft,durable,non-toxic,eco-friendly product Silicone computer mouse rollermaterial: pure silicone up to REACH,7P ... . *any specification,color and design are available as your request * OEM and ODM are welcome We produce ... wheel with good quanlity and best service ,if your computer want a good work part ,you can let ... know ,we can give you our wheel for your business ,if you have any kind of interests ...