The 5-Second Harmony: Our intuitive step-in design respects your pet's boundaries, making it the puppy harness for those who fear over-the-head gear. Simply step, clip, and go-turn a chaotic walk-prep into a calm, bonding ritual. Ideal for wiggly pups or busy pet parents. Safety for Peace of Mind: Its design evenly distributes pulling force from the neck to the chest, preventing strain even during spirited runs, ensuring every breath is effortless. Cloud-Soft 3D Air Mesh: Crafted from high-density mesh fabric, multi-directional ventilation keeps your pet cool in summer and cozy on night strolls. Skin-friendly reinforced stitching prevents leg chafing and boosts durability for ultimate comfort. Midnight Security and Absolute Control: 360degree(s) highly reflective strips and 4 reflective wide bands enhance visibility in the dark. Available sizes: Xxxs--Chest: 10.5-12'', Xxs--Chest: 12-13.5'', Xs--Chest: 13.5-15''. Available colors: Brown, Green, NavyBlue, Orange, Red, Black, Purple