... . Material: 0.7mm TPU or 1.0mm TPU water roller, inflatable water roller,water barrel, or water walker. Specifications 1, Material ... : TPU or PVC with thickness 1.0mm or 0.7mm 2, Size: D2 ... 5, Assessory: CE/UL blower and repair kit 6, Suitable for family backyard, school, playing center, sea beach, water parks, etc ...