Acana's lavender scented hanging sachets both freshen wardrobes and safely kill moths, eggs and larvae. Each lasts for up to 6 months and has an indicator which displays 'end' when the sachet has reached the end of its useful life and needs to be replaced. Use 1 or 2 per wardrobe. Uses the latest technologies in Moth Killing and Fragrancing Effectively kills moths, their eggs and larvae - Safely Simultaneously freshens with a light lavender fragrance, with natural oils Modern design of hanging unit finished in a discreet and neutral white colour Each unit lasts for up to 6 months Designed for either hanging in a wardrobe or can be placed conveniently amongst clothing Protects all clothing and bedding, including woollens, cashmere, linens, furs, leather & silks - without staining With 'real time' Automatic End of Life Indicator Part of the ACANA ‘System of Care' Range