Safe and comfortable material: soft silicone clips and earplugs to prevent scratching or hurting you after long time use, non-toxic and soft for secure hold Special non-slip dotted design: make this nose plug stays on your nose and won't slip off, don't have to spend a lot of time fixing it, and focus on your swimming technique and breathing Protection: ear plugs protect your ears from infection caused by bacteria and fungi, which can enter the ears with water and cause ear infection, swimmer's ear, pain or hearing problems With storage case: each nose clip and earplugs comes with a small clear plastic box for easy storage, locks them securely and prevents them from getting lost Age range: suitable for adults and children from the age of 12 years and older; 4 swimming kits in black, pine, yellow and blue, can share with your family members and easy to distinguish