Material: Silicone
Size 1: 70mm/2.76'', 90mm/3.54'', 110mm/4.33''
Size 2: 140mm/5.51'', 160mm/6.3'', 200mm/7.87''
Packaging: PE bag packing
Feature 1: Food-grade silica gel, materials certified by FDA.
Feature 2: Strong, durable, corrosion-resistant
Feature 3: super-strong, flexible and non-deformable.