Description This is a set of RJ45 interface stoppers. Made of high-quality silicone material, durable for long lasting use. These dust plug will protect your device from dust, liquid, sand and etc. Simple to use, won't get stuck inside, sturdy and flexible for inserting and removing easily. Features - Color: Black.- Material: Silicone.- Size: About 1.30X1.00X0.85cm/0.51X0.39X0.33inch.- Soft and elastic, fully blocking any more effective dustproof. - Anti-dust plugs made of silicone, and flexible material, easy to put on and take off.- Environmental protection and no peculiar smell. Suitable for home office use.- Insulated and protected network interface, to make it look like new for a long time. - Effectively reduce the static electronic products, to avoid a breakdown event.Packing list: 50 x dustproof plug