The sports water bottle caps is manufactured with , durable and practical for use. Perfectly for sealing water bottles for sports. Excellent and practical, excellent sealing effect, and reliable, it will bring you . Simple to replace, useful and excellent, easy to use, bring much convenience to your daily life. Features -Color:White -Material:PE -Size:3.50X2.90X2.90cm/1.38X1.14X1.14in -Note: Only suitable for water bottle mouths with an outer diameter of 28mm! - This sports water bottle cap has good sealing effect to ensure that the water will not splashing, leak or spill. - Made of selected and material, healthy, excellent and durable, . - Simple and modern design, easy to tighten, very practical and convenient for glass bottles use. - Replace or missing lids and keep the when storing, simple to replace. - Good helper in your daily life, with this replacement caps, the in the water bottles can be protected. Package list: Push Pull Bottle Caps