The box includes 2 pairs ear plugs. Thankfully Hengiee design team has addressed that issue with these ear plugs and with the Ergonomic design, that sits inside your ear and you can twist it to fit the ear so that it doesn't come out. The silicone material they are mode of is so soft and you can even wash them, and again, these are the most comfortable ones I've ever worn. Overall these are an excellent design that look great and are excellent value for money. Most importantly though, they actually work AND stay in my ears.REUSABLE EASY TO CLEAN - Reusable silicone ear plugs, waterproof, durable and washable, easy to clean, wash it with clean water. MULTI-PURPOSE: Sleep earplugs are versatile and offer protection from loud noises and background noise in many situations, while isolating and filtering everything. Great for: sleeping, noise sensitivity, And of course, they are a must-have while traveling or commuting. HEARING PROTECTION - This earplugs for sleep are soft and effectively reduce the noise. These hearing protection ear plugs protect your eardrum and hearing from sharp noises during concerts, festivals, live loud events, decoration, sawing or while riding a motorcycle. COMFORTABLE EARPLUG - Reusable Soft Silicone, you will feel nothing in your ear while wearing these earplugs, No discomfort or pain. You can toss and turn or sleep on either side. REDUCE THE NOISE - Noise Reduction can reduce up to 33 decibels,they are great for sleeping,snoring,studying, work, travel, concerts, relaxation, flying discomfort.