Features: Deet-free & non-toxic. Environmentally friendly. Effective against mosquitoes. Description: Easy to use:you only need to wear it to keep away from the mosquito,when you don't wear it , you put the capsule into the bag, and seal the bag, to avoid leak. Specification: Colors:Black,Blue,Yellow,Green,Purple,Red,Pink,Orange Material: silicone Capsule: essential oil liquid Length: 24cm, diameter:7cm Wide 1.3cm Distance: 1.5m Adjustable maximum circumference 24cm, mini-mum perimeter 16cm. Effective time: mosquito repellent unopened 3 years, opened 2-3 months Waterproof grade: waterproof, does not affect the effect of mosquito repellent Package include: 1x Anti Mosquito Bracelet 1xAnti Mosquito Capsule Note: Please allow 1-3 cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.