ZJZFL Small and portable, sturdy, not easy to tear
ZJZFL Stainless Steel Waterproof Portable 45mm
ZJZFL Soft silicone material Smaller and more portable! put it in your travel bag
ZJZFL Large silicone is soft and not deformed
ZJZFL Soft silicone material extendable
ZJZFL Light Silicone Not Easy to Break(A,8.5mm)
