Set Include: 10Pcs Silicone Sealing Rings
Condition: Brand New
Material: Silicone
Color: White(as pictures show)

Features:
10Pcs Sealing O-Rings for Vacuum Bottle Cover Outdoor Travel Bullet Flask Covers.
Made from high-quality, durable, food-safe silicone, BPA-free, phthalate-free and latex-free.
Easy to replace, no tools required, simply roll off the old gasket and pull on the new one.
Replace that old, gunked up rubber ring with a new ring to give your cup that perfect seal!
Suitable for covers of  insulation cup extraoral diameter of 4.5/5.2cm.

Size:
Diameter: approx. 4cm/1.5", fits for covers for insulation cup extraoral diameter of 4.5cm
Diameter: approx. 4.8cm/1.8", fits for covers for insulation cup extraoral diameter of 5.2cm

Set Include: 1Pc Vacuum Cup Cover
Condition: Brand New
Material: PP + Silica gel
Color: Multicolor(as pictures show)

Features: 
Vacuum Cup Cover, easy to clean and replace.
Made of food grade PP material, durable and no odor.
Simple button, high sealing silica gel ring.
Suitable for insulation cup extraoral diameter of 4.5/5.2cm.

Size(Top Diameter x H): 
4.8 x 5.7cm/1.8 x 2.2 inches
5.8 x 6.7/2.2 x 2.6 inches

Friendly Tips: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors.