Size S: 0-13 pounds, Size M: 13-27 pounds, Size L: 27-38 pounds. Ample quantity: the package contains 2 pairs of thumb sucking guards in pink, 4 pieces in total, providing sufficient supply for frequent changes and maintaining hygiene. Breathable and soft: made of mesh fabric, these baby thumb guards offer good breathability and softness, helping prevent sweaty hands; both the fingertip and wrist areas are reinforced with cloth stitching, enhancing durability and ensuring long-term use. Adjustable strap: equipped with a strap and plastic buckle, allowing adults to easily adjust the fit to secure the guard comfortably on a child's hand and help prevent it from falling off. Helps discourage thumb and finger sucking: designed to cover little hands, these guards can assist in reducing thumb and finger sucking habits. Ideal gift: can be cleaned by placing in boiling water for 30 seconds before first use; a practical solution to help prevent children from putting fingers or thumbs in their mouths, making them thoughtful gifts for families or friends with babies.