THE BEST ARMBAND for YOU:This Armband is specially designed for Samsung Galaxy S9 Plus(2018),big enough even you put your Phone with protective case in it.Offering full screen protection and allowing easy access to your phone's touch screen and headphone jack.If For any reason You Do Not Absolutely satisfied with this Armband, Just Return Or Replace It SKIN-FRIENDLY: Made of high-grade Water-Resistant Lycra fabric, soft, stretch,lightweight, sweatproof. The premium fabric is super grasp and it will not fall down your arm even during a intense exercise. FIT FOR MOST ARMS:This Running Armband is Built in two regulating slots to make the armband adjustable fully, and enough to fit all small and larger arms from 9"(23cm) to 14"(36cm), with the extra Extension strap , allows further lengthening of 8.85 inches (22.5cm) if required.

Perfect fit for: Apple iPhone 6/6S Samsung Galaxy S6/S6 Edge/S5/S4, HTC One/ Xiaomi Mi4,do NOT fit for iPhone 7/7 Plus/6S Plus/6 Plus and Samsung Galaxy S7 Edge / S6 Edge Plus.The armband fit for all Smartphones from 4.7 to 5.1 inches diagnal. [ NOTE: Not Compatible with Touch ID,the phone will fit in it with a slim case still on or WITHOUT any cover case] Materials: High-quality lightweight Lycra fabric material, flexible, portable, water/sweat proof, perfect for most sports activities like jogging, running, cycling,mountain climbing,cross training, hiking, mountain biking, gym, rafting etc. Key Holder & Earphone Slot: Built-in key pocket,secret compartment stores your house key while exercising. Your earphone wire can be twined tidily in the slot of armband. 5 Earphone holes design make allow the headphone and charger cutouts access to the phone through the armband directly