- Scientifically proven to protect insulin
- Works every day for years. No maintenance needed!
- FSA/HSA eligible
- CLICK-N-GO™ - Simply take off the original pen cap and replace it with VIVI Cap.
- Adds an additional cracking protection layer
- Built-in temperature sensor with easy to read temperature indicator
- Replaces pen cap- so it's always on your pen
- Small & lightweight - fits in your purse or pocket
- No need for water, ice packs, refrigeration, or battery charging