Features:Double box and tweezers should be rinsed with water before and after use.After injecting a layer of preservation solution into the double box, the lenses are put in the case and tighten the lid of the case.Pay attention to separating left and right when using double boxes.Compatible with all brands of care solution.The care solution cannot be washed with detergent, soap etc.Ophthalmologists recommend that this product be replaced once every 3 months.Specification:Condition: Brand NewMaterial: Eco-friendly ABSSize: Approx 6.7*6.7*2.3cm/2.6*2.6*0.9inPackage Weight: Approx 57gPackage List:1 * Double box1 * Outer box (with mirror)1 * bottle1 * tweezers1 * stickNotes:1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.