The Velotric seat pad is filled with thick high-elastic sponge, which effectively absorbs vibration and makes it more comfortable to sit for long-distance riding.Compatible with Velotric Packer 1, Go 1, Fold 1 and Fold 1 Plus. Details:- Thick high-elastic spongeComfortable to sit for long-distance ridingWhat’s in the BoxRear Seat Pad*1Flange Nut*413mm Open-End Wrench*1Quick Start Guide*1 Compatibility:- Compatible with Velotric Go 1, Fold 1 and Fold 1 Plus. Sizing Capacity:-Dimensions (LxWxH): 415*173*40(mm)Weight: 1.884lbsPVC artificial leather+PUW/black TPU f10/f8 H10mm