DIY Pantry Bug Buster & Scented Drawer Sachet. Freshen up and deter moths, insects and other pantry and wardrobe pests with these pretty scented sachets. Depending on the essential oils used, you can create a sachet for keeping drawers, cupboards and wardrobes smelling fresh, or a bug buster sachet for keeping your pantry free from ants, weevils and other insects. DIY recipe in link.