Rainbow Trampoline Replacement Spring Mat 16ft FC-ID_365 The sturdy bottom shelf is

The sturdy bottom shelf is used to accommodate your footwear in an orderly way

Printer Model IP4200

This body-safe and phthalate-free material is compatible with silicone and water-based lubricants

Cover: PE mesh

Cut-out dimensions: 55

Rainbow Trampoline Replacement Spring Mat 16ft FC-ID_365 The sturdy bottom shelf isRAINBOW TRAMPOLINE REPLACEMENT SPRING MAT 16FT These mats are manufactured using the highest strength polypropylene mat fabric. This gives a very high strength while still allowing the mat to 'breathe'. The design greatly reduces air resistance, especially on the rebound. Cheaper mats using lower grade material can only achieve the required strength by using a denser weave; the downside to this design is that air resistance is dramatically increased