Quick and easy to and adjust size up or down. Giving you easy one-time adjustment and allowing you to easily put on and remove the fins. Just take the fins and enjoying your snorkeling or swimming. Suitable for both women and men. Features -Color: Black -Material: TRP -Size: 36.00X18.00X1.00cm/14.15X7.07X0.39in - An gift choice fro any swimming, snorkeling or diving lover. Give them a little surprise. - Great for all levels of training, teaching, and recreation, easily meet your different needs. - Our snorkel fins is suitable for adults and beginners to swim, snorkel, train and dive. - Moderate softness is not easy to get tired and will have a close touching with water and better for training. - This swim training fins with comfortable and safety TPR without rubbing. And the open toe is wide, so that your feet will feel relax in it. Package list: 1 x pair of flippers