These waterproof full-length pond, drain and tank gloves are ideal for keeping your hands dry whilst cleaning out the dirt and debris. With a length of 192mm and elasticated top theses gloves will keep your hands and arm clean and dry whilst you clear out the debris in your pond. These gloves come in a size 9 large. Briers Pond & Drain PVC Gloves, arm length waterproof PVC gloves with an elasticated top, one size. Dive in and get the task sorted with these fully waterproof long arm gloves. One Size.