From Thule, this seat liner features: Newly improved! Thule Stroller Seat Liner is a soft seat liner that makes strolling even more comfortable for your child The seat liner also protect your stroller from accidental spills, simply throw it into the washing machine to clean Easy to install and remove, the liner also has anti-slip features to make sure it doesn't slip or slide once installed Compatible with all Thule strollers Products are tested to the highest global standards Shell composition: 100% PET Padding composition: 50% PET , 50% PU Dimensions (LxWxH): 35.4 x 10.2 x 0.8 in Weight: 0.21 kg Machine washable Imported.