My wife and I got these from Amazon. Worked perfect for me, she had trouble with it leaking water a tiny bit, but she had a lot of hair and probably just the shape of her head.

WACOOL Ultralight Inflating Travel Camping Pillow - Compressible, Compact, Inflatable, Comfortable, Ergonomic Pillow for Neck & Lumbar Support While Camp, Backpacking (snorkelsetblack) https://www.amazon.com/dp/B07BPQGY8N/ref=cm_sw_r_cp_api_i_9zwgDb37MWXF4

CAPAS Snorkel Fins, Snorkeling Fins Swim Fin Short Adjustable Diving Fins for Adult Men Womens Kids Scuba Diving Swimming Duck Feet Swim Travel Open Heel Flippers Snorkelling Fins (Black, L/XL) https://www.amazon.com/dp/B073QHBS72/ref=cm_sw_r_cp_api_i_4AwgDbBN52A8S