Features: Reduce the noise: The nice sponge materials will reduce the noise practically when you wear the sound blocking headphones, you could wear them to have a relaxing sleep and attend some outdoor activities, the headphones are nice choices for you. Nice gifts: You could send the ear defenders to your family, colleagues and other people who easily wake up due to the noise, they will be happy and surprised when they receive such practical gifts, showing your care and promoting your relationships. Specifications: Material: sponge and ABS Color: green, blue, orange, light pink, red, purple, peach pink, pea green, grayish purple and navy blue Size: as the pictures shown Package includes: 12 x Noise reduction headphones Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Powerful Noise Reduction: provides up to 27dB noise reduction to help protect kids and adults in high-volume environments; Ideal hearing protection for fireworks,truck shows, concerts, sporting events, airplane travel, yard work, and shooting range practice; Reduces harmful noise while allowing environmental awareness for safer participation Bulk for School & Donation: includes 12 noise cancelling earmuffs for kids, designed for classrooms, school testing, field trips, event organizers, large families, and community programs or charity donations; Perfect for group activities where multiple children need dependable hearing protection at once Sensory Friendly for Autism: designed for children with autism or sensory processing needs; These sensory headphones for kids help create a calmer experience in crowded public settings, school assemblies, travel, and large events; Supports focus during reading, studying, learning, and everyday noisy situations Adjustable & Stylish Fit: adjustable headband fits toddlers, kids, teens, and smaller adults; Features soft padded ear cushions and rotating ear cups for a secure, comfortable fit; Available in modern, vibrant colors that pair easily with casual outfits, backpacks, festival wear, and outdoor gear, combining functional hearing protection with everyday style Certified & Durable Protection: professionally safety tested and certified to ensure consistent noise reduction performance; Built with a durable outer shell and cushioned ear cups for repeated use at concerts, fireworks, shooting practice, classroom activities, and community events; A dependable hearing protection choice for active lifestyles